Transwarp Data Hub v4.2
Inceptor使用手册 v
7.2.1. 数据库数据空间配额管理 ....................................... 85
7.2.2. 用户空间配额管理 ............................................. 86
7.2.3. 临时空间配额管理 ............................................. 86
8. Inceptor CPU和内存资源分配 ................................................. 89
8.1. 运行Application的Queue .............................................. 91
8.2. Application Master内存 .............................................. 91
8.3. Executor资源 ........................................................ 91
8.3.1. Fixed Executor资源 ........................................... 91
8.3.2. Ratio Executor资源 ........................................... 91
8.4. Executor分布 ........................................................ 92
8.5. Worker分布 .......................................................... 92
8.6. 保存设置并配置服务 .................................................. 93
8.7. 注意事项 ............................................................ 94
9. 数据类型 ................................................................... 95
9.1. 原生数据类别 ........................................................ 95
9.2. 复杂数据类别 ........................................................ 97
9.2.1. ARRAY示例 .................................................... 98
9.2.2. MAP示例 ...................................................... 98
9.2.3. STRUCT示例 ................................................... 99
9.3. 数据类型对应表 ..................................................... 100
9.3.1. Inceptor与Oracle的数据类型对应表 ............................ 100
9.3.2. Inceptor与JDBC的数据类型对应表 .............................. 102
10. 图表对象:数据库,表和视图 ............................................... 103
10.1. 数据库(DATABASE) ................................................ 103
10.2. 表(Table) ......................................................... 103
10.3. 视图(VIEW) ........................................................ 105
11. Inceptor存储格式 ......................................................... 107
11.1. 文件格式:文本文件 ................................................ 109
I. Inceptor SQL手册 .......................................................... 111
12. Inceptor SQL手册中的表 .............................................. 112
13. 数据定义语言(DDL) ................................................. 114
13.1. 创建/删除/修改数据库:CREATE/DROP/ALTER DATABASE ............. 114
13.1.1. 创建数据库:CREATE DATABASE ........................... 114
13.1.2. 删除数据库:DROP DATABASE ............................. 115
13.1.3. 修改数据库:ALTER DATABASE ............................ 115
13.1.4. 设置当前数据库:USE DATABASE .......................... 116
13.2. 基础建表语句:CREATE TABLE ................................... 116
13.2.1. 简单的CREATE TABLE语句 ................................ 117
13.3. 表的分区:PARTITIONED BY 子句 ................................ 122
13.4. 表的分桶:CLUSTERED BY子句 ................................... 126
13.4.1. 分桶表的数据写入 ....................................... 127
13.5. 修改表/分区/列:ALTER TABLE/PARTITION/COLUMN ................. 128
13.5.1. 修改分区 ............................................... 129
13.5.2. 修改列 ................................................ 131
13.5.3. TRUNCATE TABLE语句 .................................... 132
13.6. DROP TABLE语句 ............................................... 133