- DB2大小:4MBPART I – 概览.........................................................................................................................11 第 1章 – DB2 Express-C是什么?..........................................................................................13 1.1免费开发、部署和分发… 无限制!...............................................................................13 1.2用户帮助和技术支持.....................................................................................................14 1.3 DB2服务器..................................................................................................................14 1.4 DB2客户端和驱动........................................................................................................14 1.5 应用程序开发的自由性.................................................................................................15 1.6 DB2 版本号与 DB2 版本分类........................................................................................16 1.7升级到其它的 DB2版本................................................................................................16 1.8 DB2 Express-C的维护.................................................................................................16 1.9相关免费软件................................................................................................................17 1.9.1 IBM数据工作室(Data Studio)...........................................................................17 1.9.2 DB2 Net Search Extender .....................................................................................17 1.9.3 Starter Toolkit for DB2 on Rails.............................................................................17 1.9.4 Web 2.0 Starter Toolkit for DB2 ............................................................................17 1.9.5 WebSphere Application Server – Community Edition............................................18 第 2章 – DB2相关特性和产品................................................................................................19 2.1 DB2 Express-C订购中包含的功能...............................................................................22 2.1.1 Fix packs补丁包...................................................................................................22 2.1.2高可用性灾难恢复(HADR) ................................................................................22 2.1.3数据复制(Data Replication)...............................................................................22 2.2 DB2 Express-C所不具备的功能...................................................................................23 2.2.1数据库分区............................................................................................................23 2.2.2连接集中器(Connection Concentrator ).............................................................23 2.2.3 Geodetic Extender ................................................................................................23 2.2.4工作负载管理(Workload Management, WLM) .......................................................24 2.3 DB2相关收费产品........................................................................................................24 2.3.1 DB2连接(DB2 Connect)...................................................................................24 2.3.2 WebSphere Federation Server..............................................................................24 2.3.3 WebSphere Replication Server .............................................................................25 第 3章 – 安装 DB2..................................................................................................................27 3.1安装前提条件................................................................................................................27 3.2操作系统中的安装权限.................................................................................................27 3.3安装向导.......................................................................................................................27 3.4自动安装.......................................................................................................................31 实验 #1 安装DB2 Express-C,创建 SAMPLE数据库........................................................32 第 4章 – DB2的应用环境.......................................................................................................35 实验 #2 - 创建一个新的数据库............................................................................................43 4.1 DB2配置......................................................................................................................44 4.1.1 环境变量................................................................................................................44 4.1.2 数据库管理器配置文件(dbm cfg) ...........................................................................44 4.1.3 数据库配置文件(db cfg)....................................................................................46 4.1.4 DB2 概要文件注册表.............................................................................................47 4.2 DB2管理服务器...........................................................................................................48 实验 #3 – 实例、数据库和配置管理....................................................................................49 第 5章 – DB2工具..................................................................................................................51 5.1控制中心(Control Center).........................................................................................52 5.2命令编辑器(Command Editor) .................................................................................55 5.3 SQL帮助向导(SQL Assist Wizard ).........................................................................57 5.4 显示SQL按钮..............................................................................................................58 实验 #4 使用脚本填充EXPRESS数据库...........................................................................59 5.5 脚本..............................................................................................................................60 5.5.1 SQL脚本...............................................................................................................60 5.5.2操作系统(shell)脚本..........................................................................................61 实验 #5 为EXPRESS数据库创建一个安装脚本.................................................................62 5.6任务中心(Task Center )...........................................................................................65 5.6.1工具目录(Tools Catalog)数据库........................................................................65 5.7 日志(Journal)...........................................................................................................66 5.8运行状况监视器(Health Monitor ).............................................................................67 5.8.1运行状况中心(Health Center )...........................................................................68 PART II – DB2 Express-C 数据库管......................................................................................71 第 6章 – DB2体系结构...........................................................................................................73 6.1 DB2进程模型...............................................................................................................73 6.2 DB2内存模型...............................................................................................................74 6.3 DB2存储模型...............................................................................................................75 6.3.1数据页和扩展数据块..............................................................................................75 6.3.2缓冲池...................................................................................................................76 6.3.3表空间...................................................................................................................77 第 7章 – DB2 客户端的连接....................................................................................................81 7.1 DB2 目录......................................................................................................................81 7.2 配置助手(Configuration Assistant )..........................................................................82 7.2.1服务器端的安装要求..............................................................................................82 7.2.2 Setup required at the client 客户端的安装要求......................................................84 7.2.3建立客户端与服务器端概要文件............................................................................87 实验 #6 使用配置助手........................................................................................................90 第 8章 – 数据库对象...............................................................................................................93 8.1 模式..............................................................................................................................93 8.2表.................................................................................................................................93 8.2.1数据类型................................................................................................................93 8.2.2标识列...................................................................................................................96 8.2.3序列对象................................................................................................................96 8.2.4系统目录表............................................................................................................97 8.2.5已声明临时表.........................................................................................................97 实验 #7 创建一个数据表.....................................................................................................99 8.3视图............................................................................................................................101 8.4索引............................................................................................................................101 8.4.1 Design Advisor ....................................................................................................101 8.5参照完整性.................................................................................................................102 第 9章 – 数据迁移工具..........................................................................................................105 9.1 导出(EXPORT)工具...............................................................................................106 9.2 导入(IMPORT)工具................................................................................................106 9.3 使用 LOAD来导入......................................................................................................107 9.4 db2move 工具...........................................................................................................108 9.5 db2look 工具..............................................................................................................109 实验 #8 导出EXPRESS数据库的DDL............................................................................111 第 10章 – 数据库安全...........................................................................................................115 10.1 认证..........................................................................................................................116 10.2 授权..........................................................................................................................116 10.3 DBADM权限............................................................................................................118 10.4 PUBLIC 组...............................................................................................................119 10.5 GRANT和REVOKE语句 ........................................................................................119 10.6 查看授权和特权........................................................................................................119 10.7 关于组特权...............................................................................................................121 实验 #9 授予和撤销用户的权限........................................................................................122 第 11章 – 备份和恢复...........................................................................................................125 11.1 数据库的日志记录....................................................................................................125 11.2 日志的类型...............................................................................................................126 11.3 日志记录的类型.......................................................................................................126 11.3.1 循环日志记录 ....................................................................................................126 11.3.2 档案日志记录和日志保留...................................................................................127 11.4 从控制中心进行数据库日志记录...............................................................................127 11.5 日志记录的参数........................................................................................................129 11.6 数据库备份...............................................................................................................129 实验 #10 – 安排一个备份计划..........................................................................................131 11.7 数据库恢复...............................................................................................................133 11.7.1 恢复类型............................................................................................................133 11.7.2 数据库恢复........................................................................................................133 11.8 其他关于备份和恢复的操作......................................................................................134 第 12章 – 维护任务...............................................................................................................135 12.1 重组(REORG)、运行统计(RUNSTATS)、重绑定(REBIND).......................135 12.1.1重组(REORG)命令........................................................................................135 12.1.2运行统计(RUNSTATS)命令 ..........................................................................136 12.1.3 绑定/重新绑定.................................................................................................136 12.1.4 在控制中心执行维护工作...................................................................................137 12.2 维护方式...................................................................................................................139 实验#11 – 配置自动维护.................................................................................................141 第 13章 – 并行与锁定...........................................................................................................143 13.1 事务(Transactions)..............................................................................................143 13.2 并行(Concurrency) ..............................................................................................143 13.3无并行控制导致的问题 .............................................................................................144 13.3.1丢失更新(Lost update)..................................................................................145 13.3.2未落实的读(Uncommitted read)....................................................................145 13.3.3不可重复读(Non-repeatable read).................................................................146 13.3.4幻象(Phantom read)......................................................................................146 13.4隔离级别(Isolation Levels)...................................................................................147 13.4.1未落实的读........................................................................................................147 13.4.2游标稳定性........................................................................................................147 13.4.3读稳定性............................................................................................................148 13.4.4可重复读............................................................................................................148 13.4.5隔离级别对比.....................................................................................................148 13.4.6设定隔离级别.....................................................................................................149 13.5锁定升级...................................................................................................................150 13.6锁定监视...................................................................................................................151 13.7锁定等待...................................................................................................................151 13.8死锁的引发与侦测.....................................................................................................152 13.9并行与锁定的最佳实践:..........................................................................................153 PART III – DB2 Express-C应用程序开发............................................................................155 第 14章 –SQL PL 存储过程..................................................................................................157 14.1 IBM数据工作室(Data Studio)..............................................................................158 14.1.2在Data Studio中创建一个存储过程..................................................................159 14.2 SQL PL 存储过程基础..............................................................................................161 14.2.1存储过程的结构.................................................................................................161 14.2.2 可选的存储过程属性..........................................................................................162 14.2.3参数...................................................................................................................162 14.2.4 SQL PL存储过程中的注释................................................................................163 14.2.5 复合语句............................................................................................................163 14.2.6 变量声明............................................................................................................163 14.2.7 赋值语句............................................................................................................164 14.3 游标..........................................................................................................................164 14.4 流控制......................................................................................................................164 14.5 调用存储过程 ...........................................................................................................165 14.6 错误和情况处理器....................................................................................................166 14.7 动态SQL..................................................................................................................168 第 15章 – 直接插入 SQL 过程语言、触发器、用户定义函数(UDF)..................................169 15.1直接插入SQL PL .....................................................................................................169 15.2 触发器(Trigger)....................................................................................................170 15.2.1 触发器的类型 ....................................................................................................170 实验 #12 从控制中心创建一个触发器...............................................................................174 15.3 用户定义函数 (UDF).................................................................................................177 15.3.1 标量函数(Scalar function).............................................................................177 15.3.2 表函数(Table function)..................................................................................178 实验 #13 使用IBM Data Studio创建用户定义函数(UDF)............................................179 第 16章 – DB2 pureXML......................................................................................................181 16.1 在数据库中使用XML................................................................................................181 16.2 XML数据库..............................................................................................................182 16.2.1 启用 XML的数据库............................................................................................182 16.2.2 原生 XML数据库...............................................................................................182 16.3 DB2中的XML..........................................................................................................183 16.3.1 pureXML 技术优势............................................................................................184 16.3.2 XPath基础........................................................................................................185 16.3.3 XQuery的定义..................................................................................................188 16.3.4 插入 XML文档...................................................................................................189 16.3.5 查询 XML数据...................................................................................................191 16.3.6 使用 SQL/XML执行联合操作............................................................................196 16.3.7 使用 XQuery执行联合操作................................................................................196 16.3.8 更新与删除操作.................................................................................................197 16.3.9 XML 索引.........................................................................................................198 实验 #14 - SQL/XML 和 XQuery.......................................................................................200 第 17章 – 使用 Java、PHP和 Ruby进行数据库应用开发...................................................201 17.1 Java应用程序开发...................................................................................................201 17.1.1 JDBC类型 2驱动程序.......................................................................................201 17.1.2 JDBC类型 4驱动程序.......................................................................................202 17.2 PHP应用程序开发...................................................................................................203 17.2.1 DB2为PHP提供的连接选项.............................................................................203 17.2.2 Zend Core for IBM.............................................................................................204 17.3 Ruby on Rails应用程序开发.....................................................................................206 17.3.1 Startup Toolkit for DB2 on Rails ........................................................................206 附录 A — 排除故障...............................................................................................................207 A.1 查找错误代码的更多信息...........................................................................................207 A.2 SQLCODE与SQLSTATE .........................................................................................208 A.3 DB2 管理通知日志.....................................................................................................208 A.4 db2diag.log................................................................................................................209 A.5 CLI追踪.....................................................................................................................209 A.6 DB2缺陷与补丁.........................................................................................................209 参考资源 ...............................................................................................................................210 网站..................................................................................................................................210 书籍..................................................................................................................................211PART I – 概览.........................................................................................................................11 第 1章 – DB2 Express-C是什么?..........................................................................................13 1.1免费开发、部署和分发… 无限制!...............................................................................13 1.2用户帮助和技术支持.....................................................................................................14 1.3 DB2服务器..................................................................................................................14 1.4 DB2客户端和驱动........................................................................................................14 1.5 应用程序开发的自由性.................................................................................................15 1.6 DB2 版本号与 DB2 版本分类........................................................................................16 1.7升级到其它的 DB2版本................................................................................................16 1.8 DB2 Express-C的维护.................................................................................................16 1.9相关免费软件................................................................................................................17 1.9.1 IBM数据工作室(Data Studio)...........................................................................17 1.9.2 DB2 Net Search Extender .....................................................................................17 1.9.3 Starter Toolkit for DB2 on Rails.............................................................................17 1.9.4 Web 2.0 Starter Toolkit for DB2 ............................................................................17 1.9.5 WebSphere Application Server – Community Edition............................................18 第 2章 – DB2相关特性和产品................................................................................................19 2.1 DB2 Express-C订购中包含的功能...............................................................................22 2.1.1 Fix packs补丁包...................................................................................................22 2.1.2高可用性灾难恢复(HADR) ................................................................................22 2.1.3数据复制(Data Replication)...............................................................................22 2.2 DB2 Express-C所不具备的功能...................................................................................23 2.2.1数据库分区............................................................................................................23 2.2.2连接集中器(Connection Concentrator ).............................................................23 2.2.3 Geodetic Extender ................................................................................................23 2.2.4工作负载管理(Workload Management, WLM) .......................................................24 2.3 DB2相关收费产品........................................................................................................24 2.3.1 DB2连接(DB2 Connect)...................................................................................24 2.3.2 WebSphere Federation Server..............................................................................24 2.3.3 WebSphere Replication Server .............................................................................25 第 3章 – 安装 DB2..................................................................................................................27 3.1安装前提条件................................................................................................................27 3.2操作系统中的安装权限.................................................................................................27 3.3安装向导.......................................................................................................................27 3.4自动安装.......................................................................................................................31 实验 #1 安装DB2 Express-C,创建 SAMPLE数据库........................................................32 第 4章 – DB2的应用环境.......................................................................................................35 实验 #2 - 创建一个新的数据库............................................................................................43 4.1 DB2配置......................................................................................................................44 4.1.1 环境变量................................................................................................................44 4.1.2 数据库管理器配置文件(dbm cfg) ...........................................................................44 4.1.3 数据库配置文件(db cfg)....................................................................................46 4.1.4 DB2 概要文件注册表.............................................................................................47 4.2 DB2管理服务器...........................................................................................................48 实验 #3 – 实例、数据库和配置管理....................................................................................49 第 5章 – DB2工具..................................................................................................................51 5.1控制中心(Control Center).........................................................................................52 5.2命令编辑器(Command Editor) .................................................................................55 5.3 SQL帮助向导(SQL Assist Wizard ).........................................................................57 5.4 显示SQL按钮..............................................................................................................58 实验 #4 使用脚本填充EXPRESS数据库...........................................................................59 5.5 脚本..............................................................................................................................60 5.5.1 SQL脚本...............................................................................................................60 5.5.2操作系统(shell)脚本..........................................................................................61 实验 #5 为EXPRESS数据库创建一个安装脚本.................................................................62 5.6任务中心(Task Center )...........................................................................................65 5.6.1工具目录(Tools Catalog)数据库........................................................................65 5.7 日志(Journal)...........................................................................................................66 5.8运行状况监视器(Health Monitor ).............................................................................67 5.8.1运行状况中心(Health Center )...........................................................................68 PART II – DB2 Express-C 数据库管......................................................................................71 第 6章 – DB2体系结构...........................................................................................................73 6.1 DB2进程模型...............................................................................................................73 6.2 DB2内存模型...............................................................................................................74 6.3 DB2存储模型...............................................................................................................75 6.3.1数据页和扩展数据块..............................................................................................75 6.3.2缓冲池...................................................................................................................76 6.3.3表空间...................................................................................................................77 第 7章 – DB2 客户端的连接....................................................................................................81 7.1 DB2 目录......................................................................................................................81 7.2 配置助手(Configuration Assistant )..........................................................................82 7.2.1服务器端的安装要求..............................................................................................82 7.2.2 Setup required at the client 客户端的安装要求......................................................84 7.2.3建立客户端与服务器端概要文件............................................................................87 实验 #6 使用配置助手........................................................................................................90 第 8章 – 数据库对象...............................................................................................................93 8.1 模式..............................................................................................................................93 8.2表.................................................................................................................................93 8.2.1数据类型................................................................................................................93 8.2.2标识列...................................................................................................................96 8.2.3序列对象................................................................................................................96 8.2.4系统目录表............................................................................................................97 8.2.5已声明临时表.........................................................................................................97 实验 #7 创建一个数据表.....................................................................................................99 8.3视图............................................................................................................................101 8.4索引............................................................................................................................101 8.4.1 Design Advisor ....................................................................................................101 8.5参照完整性.................................................................................................................102 第 9章 – 数据迁移工具..........................................................................................................105 9.1 导出(EXPORT)工具...............................................................................................106 9.2 导入(IMPORT)工具................................................................................................106 9.3 使用 LOAD来导入......................................................................................................107 9.4 db2move 工具...........................................................................................................108 9.5 db2look 工具..............................................................................................................109 实验 #8 导出EXPRESS数据库的DDL............................................................................111 第 10章 – 数据库安全...........................................................................................................115 10.1 认证..........................................................................................................................116 10.2 授权..........................................................................................................................116 10.3 DBADM权限............................................................................................................118 10.4 PUBLIC 组...............................................................................................................119 10.5 GRANT和REVOKE语句 ........................................................................................119 10.6 查看授权和特权........................................................................................................119 10.7 关于组特权...............................................................................................................121 实验 #9 授予和撤销用户的权限........................................................................................122 第 11章 – 备份和恢复...........................................................................................................125 11.1 数据库的日志记录....................................................................................................125 11.2 日志的类型...............................................................................................................126 11.3 日志记录的类型.......................................................................................................126 11.3.1 循环日志记录 ....................................................................................................126 11.3.2 档案日志记录和日志保留...................................................................................127 11.4 从控制中心进行数据库日志记录...............................................................................127 11.5 日志记录的参数........................................................................................................129 11.6 数据库备份...............................................................................................................129 实验 #10 – 安排一个备份计划..........................................................................................131 11.7 数据库恢复...............................................................................................................133 11.7.1 恢复类型............................................................................................................133 11.7.2 数据库恢复........................................................................................................133 11.8 其他关于备份和恢复的操作......................................................................................134 第 12章 – 维护任务...............................................................................................................135 12.1 重组(REORG)、运行统计(RUNSTATS)、重绑定(REBIND).......................135 12.1.1重组(REORG)命令........................................................................................135 12.1.2运行统计(RUNSTATS)命令 ..........................................................................136 12.1.3 绑定/重新绑定.................................................................................................136 12.1.4 在控制中心执行维护工作...................................................................................137 12.2 维护方式...................................................................................................................139 实验#11 – 配置自动维护.................................................................................................141 第 13章 – 并行与锁定...........................................................................................................143 13.1 事务(Transactions)..............................................................................................143 13.2 并行(Concurrency) ..............................................................................................143 13.3无并行控制导致的问题 .............................................................................................144 13.3.1丢失更新(Lost update)..................................................................................145 13.3.2未落实的读(Uncommitted read)....................................................................145 13.3.3不可重复读(Non-repeatable read).................................................................146 13.3.4幻象(Phantom read)......................................................................................146 13.4隔离级别(Isolation Levels)...................................................................................147 13.4.1未落实的读........................................................................................................147 13.4.2游标稳定性........................................................................................................147 13.4.3读稳定性............................................................................................................148 13.4.4可重复读............................................................................................................148 13.4.5隔离级别对比.....................................................................................................148 13.4.6设定隔离级别.....................................................................................................149 13.5锁定升级...................................................................................................................150 13.6锁定监视...................................................................................................................151 13.7锁定等待...................................................................................................................151 13.8死锁的引发与侦测.....................................................................................................152 13.9并行与锁定的最佳实践:..........................................................................................153 PART III – DB2 Express-C应用程序开发............................................................................155 第 14章 –SQL PL 存储过程..................................................................................................157 14.1 IBM数据工作室(Data Studio)..............................................................................158 14.1.2在Data Studio中创建一个存储过程..................................................................159 14.2 SQL PL 存储过程基础..............................................................................................161 14.2.1存储过程的结构.................................................................................................161 14.2.2 可选的存储过程属性..........................................................................................162 14.2.3参数...................................................................................................................162 14.2.4 SQL PL存储过程中的注释................................................................................163 14.2.5 复合语句............................................................................................................163 14.2.6 变量声明............................................................................................................163 14.2.7 赋值语句............................................................................................................164 14.3 游标..........................................................................................................................164 14.4 流控制......................................................................................................................164 14.5 调用存储过程 ...........................................................................................................165 14.6 错误和情况处理器....................................................................................................166 14.7 动态SQL..................................................................................................................168 第 15章 – 直接插入 SQL 过程语言、触发器、用户定义函数(UDF)..................................169 15.1直接插入SQL PL .....................................................................................................169 15.2 触发器(Trigger)....................................................................................................170 15.2.1 触发器的类型 ....................................................................................................170 实验 #12 从控制中心创建一个触发器...............................................................................174 15.3 用户定义函数 (UDF).................................................................................................177 15.3.1 标量函数(Scalar function).............................................................................177 15.3.2 表函数(Table function)..................................................................................178 实验 #13 使用IBM Data Studio创建用户定义函数(UDF)............................................179 第 16章 – DB2 pureXML......................................................................................................181 16.1 在数据库中使用XML................................................................................................181 16.2 XML数据库..............................................................................................................182 16.2.1 启用 XML的数据库............................................................................................182 16.2.2 原生 XML数据库...............................................................................................182 16.3 DB2中的XML..........................................................................................................183 16.3.1 pureXML 技术优势............................................................................................184 16.3.2 XPath基础........................................................................................................185 16.3.3 XQuery的定义..................................................................................................188 16.3.4 插入 XML文档...................................................................................................189 16.3.5 查询 XML数据...................................................................................................191 16.3.6 使用 SQL/XML执行联合操作............................................................................196 16.3.7 使用 XQuery执行联合操作................................................................................196 16.3.8 更新与删除操作.................................................................................................197 16.3.9 XML 索引.........................................................................................................198 实验 #14 - SQL/XML 和 XQuery.......................................................................................200 第 17章 – 使用 Java、PHP和 Ruby进行数据库应用开发...................................................201 17.1 Java应用程序开发...................................................................................................201 17.1.1 JDBC类型 2驱动程序.......................................................................................201 17.1.2 JDBC类型 4驱动程序.......................................................................................202 17.2 PHP应用程序开发...................................................................................................203 17.2.1 DB2为PHP提供的连接选项.............................................................................203 17.2.2 Zend Core for IBM.............................................................................................204 17.3 Ruby on Rails应用程序开发.....................................................................................206 17.3.1 Startup Toolkit for DB2 on Rails ........................................................................206 附录 A — 排除故障...............................................................................................................207 A.1 查找错误代码的更多信息...........................................................................................207 A.2 SQLCODE与SQLSTATE .........................................................................................208 A.3 DB2 管理通知日志.....................................................................................................208 A.4 db2diag.log................................................................................................................209 A.5 CLI追踪.....................................................................................................................209 A.6 DB2缺陷与补丁.........................................................................................................209 参考资源 ...............................................................................................................................210 网站..................................................................................................................................210 书籍..................................................................................................................................2115 3037浏览会员免费
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- db2数据库大小:4MB资源简介 第 1章 – DB2 Express-C是什么?..........................................................................................13 1.1免费开发、部署和分发… 无限制!...............................................................................13 1.2用户帮助和技术支持.....................................................................................................14 1.3 DB2服务器..................................................................................................................14 1.4 DB2客户端和驱动........................................................................................................14 1.5 应用程序开发的自由性.................................................................................................15 1.6 DB2 版本号与 DB2 版本分类........................................................................................16 1.7升级到其它的 DB2版本................................................................................................16 1.8 DB2 Express-C的维护.................................................................................................16 1.9相关免费软件................................................................................................................17 1.9.1 IBM数据工作室(Data Studio)...........................................................................17 1.9.2 DB2 Net Search Extender .....................................................................................17 1.9.3 Starter Toolkit for DB2 on Rails.............................................................................17 1.9.4 Web 2.0 Starter Toolkit for DB2 ............................................................................17 1.9.5 WebSphere Application Server – Community Edition............................................18 第 2章 – DB2相关特性和产品................................................................................................19 2.1 DB2 Express-C订购中包含的功能...............................................................................22 2.1.1 Fix packs补丁包...................................................................................................22 2.1.2高可用性灾难恢复(HADR) ................................................................................22 2.1.3数据复制(Data Replication)...............................................................................22 2.2 DB2 Express-C所不具备的功能...................................................................................23 2.2.1数据库分区............................................................................................................23 2.2.2连接集中器(Connection Concentrator ).............................................................23 2.2.3 Geodetic Extender ................................................................................................23 2.2.4工作负载管理(Workload Management, WLM) .......................................................24 2.3 DB2相关收费产品........................................................................................................24 2.3.1 DB2连接(DB2 Connect)...................................................................................24 2.3.2 WebSphere Federation Server..............................................................................24 2.3.3 WebSphere Replication Server .............................................................................25 第 3章 – 安装 DB2..................................................................................................................27 3.1安装前提条件................................................................................................................27 3.2操作系统中的安装权限.................................................................................................27 3.3安装向导.......................................................................................................................27 3.4自动安装.......................................................................................................................31 实验 #1 安装DB2 Express-C,创建 SAMPLE数据库........................................................32 第 4章 – DB2的应用环境.......................................................................................................35 实验 #2 - 创建一个新的数据库............................................................................................43 4.1 DB2配置......................................................................................................................44 4.1.1 环境变量................................................................................................................44 4.1.2 数据库管理器配置文件(dbm cfg) ...........................................................................44 4.1.3 数据库配置文件(db cfg)....................................................................................46 4.1.4 DB2 概要文件注册表.............................................................................................47 4.2 DB2管理服务器...........................................................................................................48 实验 #3 – 实例、数据库和配置管理....................................................................................49 第 5章 – DB2工具..................................................................................................................51 5.1控制中心(Control Center).........................................................................................52 5.2命令编辑器(Command Editor) .................................................................................55 5.3 SQL帮助向导(SQL Assist Wizard ).........................................................................57 5.4 显示SQL按钮..............................................................................................................58 实验 #4 使用脚本填充EXPRESS数据库...........................................................................59 5.5 脚本..............................................................................................................................60 5.5.1 SQL脚本...............................................................................................................60 5.5.2操作系统(shell)脚本..........................................................................................61 实验 #5 为EXPRESS数据库创建一个安装脚本.................................................................62 5.6任务中心(Task Center )...........................................................................................65 5.6.1工具目录(Tools Catalog)数据库........................................................................65 5.7 日志(Journal)...........................................................................................................66 5.8运行状况监视器(Health Monitor ).............................................................................67 5.8.1运行状况中心(Health Center )...........................................................................68 PART II – DB2 Express-C 数据库管......................................................................................71 第 6章 – DB2体系结构...........................................................................................................73 6.1 DB2进程模型...............................................................................................................73 6.2 DB2内存模型...............................................................................................................74 6.3 DB2存储模型...............................................................................................................75 6.3.1数据页和扩展数据块..............................................................................................75 6.3.2缓冲池...................................................................................................................76 6.3.3表空间...................................................................................................................77 第 7章 – DB2 客户端的连接....................................................................................................81 7.1 DB2 目录......................................................................................................................81 7.2 配置助手(Configuration Assistant )..........................................................................82 7.2.1服务器端的安装要求..............................................................................................82 7.2.2 Setup required at the client 客户端的安装要求......................................................84 7.2.3建立客户端与服务器端概要文件............................................................................87 实验 #6 使用配置助手........................................................................................................90 第 8章 – 数据库对象...............................................................................................................93 8.1 模式..............................................................................................................................93 8.2表.................................................................................................................................93 8.2.1数据类型................................................................................................................93 8.2.2标识列...................................................................................................................96 8.2.3序列对象................................................................................................................96 8.2.4系统目录表............................................................................................................97 8.2.5已声明临时表.........................................................................................................97 实验 #7 创建一个数据表.....................................................................................................99 8.3视图............................................................................................................................101 8.4索引............................................................................................................................101 8.4.1 Design Advisor ....................................................................................................101 8.5参照完整性.................................................................................................................102 第 9章 – 数据迁移工具..........................................................................................................105 9.1 导出(EXPORT)工具...............................................................................................106 9.2 导入(IMPORT)工具................................................................................................106 9.3 使用 LOAD来导入......................................................................................................107 9.4 db2move 工具...........................................................................................................108 9.5 db2look 工具..............................................................................................................109 实验 #8 导出EXPRESS数据库的DDL............................................................................111 第 10章 – 数据库安全...........................................................................................................115 10.1 认证..........................................................................................................................116 10.2 授权..........................................................................................................................116 10.3 DBADM权限............................................................................................................118 10.4 PUBLIC 组...............................................................................................................119 10.5 GRANT和REVOKE语句 ........................................................................................119 10.6 查看授权和特权........................................................................................................119 10.7 关于组特权...............................................................................................................121 实验 #9 授予和撤销用户的权限........................................................................................122 第 11章 – 备份和恢复...........................................................................................................125 11.1 数据库的日志记录....................................................................................................125 11.2 日志的类型...............................................................................................................126 11.3 日志记录的类型.......................................................................................................126 11.3.1 循环日志记录 ....................................................................................................126 11.3.2 档案日志记录和日志保留...................................................................................127 11.4 从控制中心进行数据库日志记录...............................................................................127 11.5 日志记录的参数........................................................................................................129 11.6 数据库备份...............................................................................................................129 实验 #10 – 安排一个备份计划..........................................................................................131 11.7 数据库恢复...............................................................................................................133 11.7.1 恢复类型............................................................................................................133 11.7.2 数据库恢复........................................................................................................133 11.8 其他关于备份和恢复的操作......................................................................................134 第 12章 – 维护任务...............................................................................................................135 12.1 重组(REORG)、运行统计(RUNSTATS)、重绑定(REBIND).......................135 12.1.1重组(REORG)命令........................................................................................135 12.1.2运行统计(RUNSTATS)命令 ..........................................................................136 12.1.3 绑定/重新绑定.................................................................................................136 12.1.4 在控制中心执行维护工作...................................................................................137 12.2 维护方式...................................................................................................................139 实验#11 – 配置自动维护.................................................................................................141 第 13章 – 并行与锁定...........................................................................................................143 13.1 事务(Transactions)..............................................................................................143 13.2 并行(Concurrency) ..............................................................................................143 13.3无并行控制导致的问题 .............................................................................................144 13.3.1丢失更新(Lost update)..................................................................................145 13.3.2未落实的读(Uncommitted read)....................................................................145 13.3.3不可重复读(Non-repeatable read).................................................................146 13.3.4幻象(Phantom read)......................................................................................146 13.4隔离级别(Isolation Levels)...................................................................................147 13.4.1未落实的读........................................................................................................147 13.4.2游标稳定性........................................................................................................147 13.4.3读稳定性............................................................................................................148 13.4.4可重复读............................................................................................................148 13.4.5隔离级别对比.....................................................................................................148 13.4.6设定隔离级别.....................................................................................................149 13.5锁定升级...................................................................................................................150 13.6锁定监视...................................................................................................................151 13.7锁定等待...................................................................................................................151 13.8死锁的引发与侦测.....................................................................................................152 13.9并行与锁定的最佳实践:..........................................................................................153 PART III – DB2 Express-C应用程序开发............................................................................155 第 14章 –SQL PL 存储过程..................................................................................................157 14.1 IBM数据工作室(Data Studio)..............................................................................158 14.1.2在Data Studio中创建一个存储过程..................................................................159 14.2 SQL PL 存储过程基础..............................................................................................161 14.2.1存储过程的结构.................................................................................................161 14.2.2 可选的存储过程属性..........................................................................................162 14.2.3参数...................................................................................................................162 14.2.4 SQL PL存储过程中的注释................................................................................163 14.2.5 复合语句............................................................................................................163 14.2.6 变量声明............................................................................................................163 14.2.7 赋值语句............................................................................................................164 14.3 游标..........................................................................................................................164 14.4 流控制......................................................................................................................164 14.5 调用存储过程 ...........................................................................................................165 14.6 错误和情况处理器....................................................................................................166 14.7 动态SQL..................................................................................................................168 第 15章 – 直接插入 SQL 过程语言、触发器、用户定义函数(UDF)..................................169 15.1直接插入SQL PL .....................................................................................................169 15.2 触发器(Trigger)....................................................................................................170 15.2.1 触发器的类型 ....................................................................................................170 实验 #12 从控制中心创建一个触发器...............................................................................174 15.3 用户定义函数 (UDF).................................................................................................177 15.3.1 标量函数(Scalar function).............................................................................177 15.3.2 表函数(Table function)..................................................................................178 实验 #13 使用IBM Data Studio创建用户定义函数(UDF)............................................179 第 16章 – DB2 pureXML......................................................................................................181 16.1 在数据库中使用XML................................................................................................181 16.2 XML数据库..............................................................................................................182 16.2.1 启用 XML的数据库............................................................................................182 16.2.2 原生 XML数据库...............................................................................................182 16.3 DB2中的XML..........................................................................................................183 16.3.1 pureXML 技术优势............................................................................................184 16.3.2 XPath基础........................................................................................................185 16.3.3 XQuery的定义..................................................................................................188 16.3.4 插入 XML文档...................................................................................................189 16.3.5 查询 XML数据...................................................................................................191 16.3.6 使用 SQL/XML执行联合操作............................................................................196 16.3.7 使用 XQuery执行联合操作................................................................................196 16.3.8 更新与删除操作.................................................................................................197 16.3.9 XML 索引.........................................................................................................198 实验 #14 - SQL/XML 和 XQuery.......................................................................................200 第 17章 – 使用 Java、PHP和 Ruby进行数据库应用开发...................................................201 17.1 Java应用程序开发...................................................................................................201 17.1.1 JDBC类型 2驱动程序.......................................................................................201 17.1.2 JDBC类型 4驱动程序.......................................................................................202 17.2 PHP应用程序开发...................................................................................................203 17.2.1 DB2为PHP提供的连接选项.............................................................................203 17.2.2 Zend Core for IBM.............................................................................................204 17.3 Ruby on Rails应用程序开发.....................................................................................206 17.3.1 Startup Toolkit for DB2 on Rails ........................................................................206 附录 A — 排除故障...............................................................................................................207 A.1 查找错误代码的更多信息...........................................................................................207 A.2 SQLCODE与SQLSTATE .........................................................................................208 A.3 DB2 管理通知日志.....................................................................................................208 A.4 db2diag.log................................................................................................................209 A.5 CLI追踪.....................................................................................................................209 A.6 DB2缺陷与补丁.........................................................................................................209 参考资源 ...............................................................................................................................210 网站..................................................................................................................................210 书籍..................................................................................................................................211资源简介 第 1章 – DB2 Express-C是什么?..........................................................................................13 1.1免费开发、部署和分发… 无限制!...............................................................................13 1.2用户帮助和技术支持.....................................................................................................14 1.3 DB2服务器..................................................................................................................14 1.4 DB2客户端和驱动........................................................................................................14 1.5 应用程序开发的自由性.................................................................................................15 1.6 DB2 版本号与 DB2 版本分类........................................................................................16 1.7升级到其它的 DB2版本................................................................................................16 1.8 DB2 Express-C的维护.................................................................................................16 1.9相关免费软件................................................................................................................17 1.9.1 IBM数据工作室(Data Studio)...........................................................................17 1.9.2 DB2 Net Search Extender .....................................................................................17 1.9.3 Starter Toolkit for DB2 on Rails.............................................................................17 1.9.4 Web 2.0 Starter Toolkit for DB2 ............................................................................17 1.9.5 WebSphere Application Server – Community Edition............................................18 第 2章 – DB2相关特性和产品................................................................................................19 2.1 DB2 Express-C订购中包含的功能...............................................................................22 2.1.1 Fix packs补丁包...................................................................................................22 2.1.2高可用性灾难恢复(HADR) ................................................................................22 2.1.3数据复制(Data Replication)...............................................................................22 2.2 DB2 Express-C所不具备的功能...................................................................................23 2.2.1数据库分区............................................................................................................23 2.2.2连接集中器(Connection Concentrator ).............................................................23 2.2.3 Geodetic Extender ................................................................................................23 2.2.4工作负载管理(Workload Management, WLM) .......................................................24 2.3 DB2相关收费产品........................................................................................................24 2.3.1 DB2连接(DB2 Connect)...................................................................................24 2.3.2 WebSphere Federation Server..............................................................................24 2.3.3 WebSphere Replication Server .............................................................................25 第 3章 – 安装 DB2..................................................................................................................27 3.1安装前提条件................................................................................................................27 3.2操作系统中的安装权限.................................................................................................27 3.3安装向导.......................................................................................................................27 3.4自动安装.......................................................................................................................31 实验 #1 安装DB2 Express-C,创建 SAMPLE数据库........................................................32 第 4章 – DB2的应用环境.......................................................................................................35 实验 #2 - 创建一个新的数据库............................................................................................43 4.1 DB2配置......................................................................................................................44 4.1.1 环境变量................................................................................................................44 4.1.2 数据库管理器配置文件(dbm cfg) ...........................................................................44 4.1.3 数据库配置文件(db cfg)....................................................................................46 4.1.4 DB2 概要文件注册表.............................................................................................47 4.2 DB2管理服务器...........................................................................................................48 实验 #3 – 实例、数据库和配置管理....................................................................................49 第 5章 – DB2工具..................................................................................................................51 5.1控制中心(Control Center).........................................................................................52 5.2命令编辑器(Command Editor) .................................................................................55 5.3 SQL帮助向导(SQL Assist Wizard ).........................................................................57 5.4 显示SQL按钮..............................................................................................................58 实验 #4 使用脚本填充EXPRESS数据库...........................................................................59 5.5 脚本..............................................................................................................................60 5.5.1 SQL脚本...............................................................................................................60 5.5.2操作系统(shell)脚本..........................................................................................61 实验 #5 为EXPRESS数据库创建一个安装脚本.................................................................62 5.6任务中心(Task Center )...........................................................................................65 5.6.1工具目录(Tools Catalog)数据库........................................................................65 5.7 日志(Journal)...........................................................................................................66 5.8运行状况监视器(Health Monitor ).............................................................................67 5.8.1运行状况中心(Health Center )...........................................................................68 PART II – DB2 Express-C 数据库管......................................................................................71 第 6章 – DB2体系结构...........................................................................................................73 6.1 DB2进程模型...............................................................................................................73 6.2 DB2内存模型...............................................................................................................74 6.3 DB2存储模型...............................................................................................................75 6.3.1数据页和扩展数据块..............................................................................................75 6.3.2缓冲池...................................................................................................................76 6.3.3表空间...................................................................................................................77 第 7章 – DB2 客户端的连接....................................................................................................81 7.1 DB2 目录......................................................................................................................81 7.2 配置助手(Configuration Assistant )..........................................................................82 7.2.1服务器端的安装要求..............................................................................................82 7.2.2 Setup required at the client 客户端的安装要求......................................................84 7.2.3建立客户端与服务器端概要文件............................................................................87 实验 #6 使用配置助手........................................................................................................90 第 8章 – 数据库对象...............................................................................................................93 8.1 模式..............................................................................................................................93 8.2表.................................................................................................................................93 8.2.1数据类型................................................................................................................93 8.2.2标识列...................................................................................................................96 8.2.3序列对象................................................................................................................96 8.2.4系统目录表............................................................................................................97 8.2.5已声明临时表.........................................................................................................97 实验 #7 创建一个数据表.....................................................................................................99 8.3视图............................................................................................................................101 8.4索引............................................................................................................................101 8.4.1 Design Advisor ....................................................................................................101 8.5参照完整性.................................................................................................................102 第 9章 – 数据迁移工具..........................................................................................................105 9.1 导出(EXPORT)工具...............................................................................................106 9.2 导入(IMPORT)工具................................................................................................106 9.3 使用 LOAD来导入......................................................................................................107 9.4 db2move 工具...........................................................................................................108 9.5 db2look 工具..............................................................................................................109 实验 #8 导出EXPRESS数据库的DDL............................................................................111 第 10章 – 数据库安全...........................................................................................................115 10.1 认证..........................................................................................................................116 10.2 授权..........................................................................................................................116 10.3 DBADM权限............................................................................................................118 10.4 PUBLIC 组...............................................................................................................119 10.5 GRANT和REVOKE语句 ........................................................................................119 10.6 查看授权和特权........................................................................................................119 10.7 关于组特权...............................................................................................................121 实验 #9 授予和撤销用户的权限........................................................................................122 第 11章 – 备份和恢复...........................................................................................................125 11.1 数据库的日志记录....................................................................................................125 11.2 日志的类型...............................................................................................................126 11.3 日志记录的类型.......................................................................................................126 11.3.1 循环日志记录 ....................................................................................................126 11.3.2 档案日志记录和日志保留...................................................................................127 11.4 从控制中心进行数据库日志记录...............................................................................127 11.5 日志记录的参数........................................................................................................129 11.6 数据库备份...............................................................................................................129 实验 #10 – 安排一个备份计划..........................................................................................131 11.7 数据库恢复...............................................................................................................133 11.7.1 恢复类型............................................................................................................133 11.7.2 数据库恢复........................................................................................................133 11.8 其他关于备份和恢复的操作......................................................................................134 第 12章 – 维护任务...............................................................................................................135 12.1 重组(REORG)、运行统计(RUNSTATS)、重绑定(REBIND).......................135 12.1.1重组(REORG)命令........................................................................................135 12.1.2运行统计(RUNSTATS)命令 ..........................................................................136 12.1.3 绑定/重新绑定.................................................................................................136 12.1.4 在控制中心执行维护工作...................................................................................137 12.2 维护方式...................................................................................................................139 实验#11 – 配置自动维护.................................................................................................141 第 13章 – 并行与锁定...........................................................................................................143 13.1 事务(Transactions)..............................................................................................143 13.2 并行(Concurrency) ..............................................................................................143 13.3无并行控制导致的问题 .............................................................................................144 13.3.1丢失更新(Lost update)..................................................................................145 13.3.2未落实的读(Uncommitted read)....................................................................145 13.3.3不可重复读(Non-repeatable read).................................................................146 13.3.4幻象(Phantom read)......................................................................................146 13.4隔离级别(Isolation Levels)...................................................................................147 13.4.1未落实的读........................................................................................................147 13.4.2游标稳定性........................................................................................................147 13.4.3读稳定性............................................................................................................148 13.4.4可重复读............................................................................................................148 13.4.5隔离级别对比.....................................................................................................148 13.4.6设定隔离级别.....................................................................................................149 13.5锁定升级...................................................................................................................150 13.6锁定监视...................................................................................................................151 13.7锁定等待...................................................................................................................151 13.8死锁的引发与侦测.....................................................................................................152 13.9并行与锁定的最佳实践:..........................................................................................153 PART III – DB2 Express-C应用程序开发............................................................................155 第 14章 –SQL PL 存储过程..................................................................................................157 14.1 IBM数据工作室(Data Studio)..............................................................................158 14.1.2在Data Studio中创建一个存储过程..................................................................159 14.2 SQL PL 存储过程基础..............................................................................................161 14.2.1存储过程的结构.................................................................................................161 14.2.2 可选的存储过程属性..........................................................................................162 14.2.3参数...................................................................................................................162 14.2.4 SQL PL存储过程中的注释................................................................................163 14.2.5 复合语句............................................................................................................163 14.2.6 变量声明............................................................................................................163 14.2.7 赋值语句............................................................................................................164 14.3 游标..........................................................................................................................164 14.4 流控制......................................................................................................................164 14.5 调用存储过程 ...........................................................................................................165 14.6 错误和情况处理器....................................................................................................166 14.7 动态SQL..................................................................................................................168 第 15章 – 直接插入 SQL 过程语言、触发器、用户定义函数(UDF)..................................169 15.1直接插入SQL PL .....................................................................................................169 15.2 触发器(Trigger)....................................................................................................170 15.2.1 触发器的类型 ....................................................................................................170 实验 #12 从控制中心创建一个触发器...............................................................................174 15.3 用户定义函数 (UDF).................................................................................................177 15.3.1 标量函数(Scalar function).............................................................................177 15.3.2 表函数(Table function)..................................................................................178 实验 #13 使用IBM Data Studio创建用户定义函数(UDF)............................................179 第 16章 – DB2 pureXML......................................................................................................181 16.1 在数据库中使用XML................................................................................................181 16.2 XML数据库..............................................................................................................182 16.2.1 启用 XML的数据库............................................................................................182 16.2.2 原生 XML数据库...............................................................................................182 16.3 DB2中的XML..........................................................................................................183 16.3.1 pureXML 技术优势............................................................................................184 16.3.2 XPath基础........................................................................................................185 16.3.3 XQuery的定义..................................................................................................188 16.3.4 插入 XML文档...................................................................................................189 16.3.5 查询 XML数据...................................................................................................191 16.3.6 使用 SQL/XML执行联合操作............................................................................196 16.3.7 使用 XQuery执行联合操作................................................................................196 16.3.8 更新与删除操作.................................................................................................197 16.3.9 XML 索引.........................................................................................................198 实验 #14 - SQL/XML 和 XQuery.......................................................................................200 第 17章 – 使用 Java、PHP和 Ruby进行数据库应用开发...................................................201 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排除故障...............................................................................................................207 A.1 查找错误代码的更多信息...........................................................................................207 A.2 SQLCODE与SQLSTATE .........................................................................................208 A.3 DB2 管理通知日志.....................................................................................................208 A.4 db2diag.log................................................................................................................209 A.5 CLI追踪.....................................................................................................................209 A.6 DB2缺陷与补丁.........................................................................................................209 参考资源 ...............................................................................................................................210 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- 注册文件大小:70KBEmbarcadero DBArtisan 是一款管理企业异质数据库,强化高可用性、效能与安全的管理工具!线上可使用度、高效能及安全性,是所有数据库管理员的共同期许,但要达到以上目标,不但需要随时提高警惕,各种临机应变的计画,还有一大堆繁重而琐碎的工作。幸而有了Embarcadero DBArtisan,解除了数据库管理员的桎梏。 藉着Embarcadero DBArtisan一目了然的图形化工具,使得费时而易出错的数据库管理工作成为过去式。DBArtisan是Oracle、 Sybase、Microsoft SQLServer、及IBM DB2 Universal Databases首选的数据库管理工具。其丰富的特色帮助专业的数据库管理员,将企业中数据库的利用性、效能、及安全性发挥到极致。DBArtisan 可让数据库管理员利用单一之图形介面管理多种数据库平台,大大提昇了专业数据库管理员的生产力。 DBArtisan将例行管理工作予以自动化及效率化,例如建立使用者帐号、更改物件,在发展环境、测试环境及正式环境中移转结构描述等。也因为 DBArtisan提供了几种主要数据库平台标准化的单一共通管理介面的解决方案,进而能够降低企业成本,提高总体生产力。<br><br>DBArtisan 主要特色:<br>1.空间管理<br>2.安全管理<br>3.效能管理<br>4.微调及效能整合<br>5.物件管理更为简单<br>6.排程作业<br>7.视觉化建立指令及编辑资料<br>8.移转资料结构描述<br>9.产生结构描述之网页文件<br>10.非侵入式安装<br>11.选择性安装除错及追踪工具模组Embarcadero DBArtisan 是一款管理企业异质数据库,强化高可用性、效能与安全的管理工具!线上可使用度、高效能及安全性,是所有数据库管理员的共同期许,但要达到以上目标,不但需要随时提高警惕,各种临机应变的计画,还有一大堆繁重而琐碎的工作。幸而有了Embarcadero DBArtisan,解除了数据库管理员的桎梏。 藉着Embarcadero DBArtisan一目了然的图形化工具,使得费时而易出错的数据库管理工作成为过去式。DBArtisan是Oracle、 Sybase、Microsoft SQLServer、及IBM DB2 Universal Databases首选的数据库管理工具。其丰富的特色帮助专业的数据库管理员,将企业中数据库的利用性、效能、及安全性发挥到极致。DBArtisan 可让数据库管理员利用单一之图形介面管理多种数据库平台,大大提昇了专业数据库管理员的生产力。 DBArtisan将例行管理工作予以自动化及效率化,例如建立使用者帐号、更改物件,在发展环境、测试环境及正式环境中移转结构描述等。也因为 DBArtisan提供了几种主要数据库平台标准化的单一共通管理介面的解决方案,进而能够降低企业成本,提高总体生产力。<br><br>DBArtisan 主要特色:<br>1.空间管理<br>2.安全管理<br>3.效能管理<br>4.微调及效能整合<br>5.物件管理更为简单<br>6.排程作业<br>7.视觉化建立指令及编辑资料<br>8.移转资料结构描述<br>9.产生结构描述之网页文件<br>10.非侵入式安装<br>11.选择性安装除错及追踪工具模组5 183浏览会员免费
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To illustrate them as completely as possible, the examples include the names of individuals, companies, brands, and products. All of these names are fictitious and any similarity to the names and addresses used by an actual business enterprise is entirely coincidental. COPYRIGHT LICENSE: This information contains sample application programs in source language, which illustrateIBM may not offer the products, services, or features discussed in this document in other countries. Consult your local IBM representative for information on the products and services currently available in your area. Any reference to an IBM product, program, or service is not intended to state or imply that only that IBM product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any IBM intellectual property right may be used instead. However, it is the user's responsibility to evaluate and verify the operation of any non-IBM product, program, or service. IBM may have patents or pending patent applications covering subject matter described in this document. The furnishing of this document does not give you any license to these patents. You can send license inquiries, in writing, to: IBM Director of Licensing, IBM Corporation, North Castle Drive, Armonk, NY 10504-1785 U.S.A. The following paragraph does not apply to the United Kingdom or any other country where such provisions are inconsistent with local law: INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow disclaimer of express or implied warranties in certain transactions, therefore, this statement may not apply to you. This information could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these changes will be incorporated in new editions of the publication. IBM may make improvements and/or changes in the product(s) and/or the program(s) described in this publication at any time without notice. Any references in this information to non-IBM Web sites are provided for convenience only and do not in any manner serve as an endorsement of those Web sites. The materials at those Web sites are not part of the materials for this IBM product and use of those Web sites is at your own risk. IBM may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you. Information concerning non-IBM products was obtained from the suppliers of those products, their published announcements or other publicly available sources. IBM has not tested those products and cannot confirm the accuracy of performance, compatibility or any other claims related to non-IBM products. Questions on the capabilities of non-IBM products should be addressed to the suppliers of those products. This information contains examples of data and reports used in daily business operations. To illustrate them as completely as possible, the examples include the names of individuals, companies, brands, and products. All of these names are fictitious and any similarity to the names and addresses used by an actual business enterprise is entirely coincidental. COPYRIGHT LICENSE: This information contains sample application programs in source language, which illustrate5 238浏览会员免费
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