10.9 验证...................................................................................................................................48
11. 数据库文件冗余........................................................................................................................48
11.1 控制文件冗余....................................................................................................................48
11.2 复制控制文件....................................................................................................................48
11.3 REDO LOG 冗余...............................................................................................................50
12. 调整数据库参数........................................................................................................................50
12.1 关闭 CARDINALITY FEEDBACK.............................................................................................50
12.2 关闭 ADAPTIVE CURSOR SHARING........................................................................................50
12.3 关闭 LOG FILE ADAPTIVE......................................................................................................51
12.4 调整 ASM 实例的 LARGE_POOL_SIZE(仅 RAC 涉及)...........................................51
12.5 关闭跨实例并行(仅 RAC 涉及)..................................................................................51
12.6 关闭资源计划....................................................................................................................51
12.7 关闭优化器的 NULL AWARE ANTIJOIN................................................................................51
12.8 设置 DUMP 文件大小上限...................................................................................................51
12.9 调整默认分区大小............................................................................................................51
12.10 设置并行子进程的数量上限..........................................................................................51
12.11 设置控制文件的保留时间..............................................................................................52
12.12 关闭初始化 EXTENT 的延迟创建......................................................................................52
12.13 关闭 RESULT_CACHE..........................................................................................................52
12.14 增加实例延迟降级锁的时长..........................................................................................52
12.15 关闭登录、登出的审计日志..........................................................................................52
12.16 禁用 ORA.CRF(仅 RAC 涉及)......................................................................................52
12.17 调整 AWR 保留时间.......................................................................................................52
12.18 设置 28401 和 10949 事件...............................................................................................52
12.19 配置密码大小写限制......................................................................................................53
12.20 OLTP 索引优化...............................................................................................................53
12.21 使并行会话改为使用 LARGE POOL...................................................................................53
12.22 密码策略设置..................................................................................................................53
12.23 关闭 DRM(DYNAMIC RESOURCE MANAGEMENT)(仅 RAC 涉及)........................53
12.24 关闭自动搜集统计信息..................................................................................................53
12.25 关闭 OCM 任务...................................................................................................................54
12.26 自动直方图收集限制(根据实际情况修改)...................................................................54
12.27 关闭 SQL TUNNING..............................................................................................................54
12.28 关闭 AUTO SPACE ADVISOR................................................................................................54
12.29 RMAN 配置 SNAPSHOT CONTROLFILE 至共享位置( 仅 RAC 涉及)...............54
12.30 检查数据库 LOCAL_LISTENER 配置..................................................................................55
13. ORACLE 日常维护..................................................................................................................55
13.1 检查资源状态....................................................................................................................55
13.2 对资源进行操作................................................................................................................55
13.3 OCR 维护...........................................................................................................................56
13.4 数据库维护........................................................................................................................56