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第 23 章 DDL - Data Definition Language

目录

23.1. 数据库管理(Database)
23.1.1. create
23.1.2. drop
23.1.3. Alter
23.1.4. Rename
23.1.5. CHARACTER
23.1.6. show create database
23.2. 表管理(Table)
23.2.1. 数据类型
23.2.1.1. SET 集合类型
23.2.2. create table ... select
23.2.3. modifiy table
23.2.4. TEMPORARY Table
23.2.5. Collate
23.2.6. CHARACTER
23.2.7. DEFAULT
23.2.7.1. AUTO_INCREMENT
23.2.7.2. 表存储位置(DATA DIRECTORY)
23.2.8. KEY
23.2.8.1. PRIMARY KEY
23.2.9. COMMENT
23.2.10. Engine
23.2.10.1. FEDERATED
23.2.10.2. BLACKHOLE
23.3. Partitioning
23.3.1. RANGE
23.3.2. LIST
23.3.3. HASH
23.3.3.1. LINEAR HASH
23.3.4. KEY分区
23.3.5. Subpartitioning
23.3.6. 分区管理
23.3.6.1. 新增分区
23.3.6.2. 删除分区
23.3.6.3. 重建分区
23.3.6.4. 分区维护
23.3.7. EXPLAIN PARTITIONS
23.3.8. SHOW CREATE TABLE
23.3.9. INFORMATION_SCHEMA.partitions 表
23.3.10. 分区数据操作
23.4. Index
23.4.1. SHOW INDEX
23.4.2. CREATE INDEX
23.4.3. DROP INDEX
23.4.4. rebuild
23.5. 外键(Foreign Key)
23.5.1. FOREIGN KEY (RESTRICT)
23.6. 视图(View)
23.7. 存储过程(PROCEDURE)
23.7.1. 存储程序
23.7.2. 函数
23.8. 触发器(Trigger)
23.8.1. create trigger
23.8.2. drop trigger
23.8.3. show triggers
23.8.4. EXAMPLE
23.8.4.1. BEFORE/AFTER
23.8.4.2. UUID
23.8.4.3. CALL PROCEDURE
23.9. 事件调度器(EVENT)
23.9.1. 启用 EVENT
23.9.2. 创建 EVENT
23.9.3. 禁用/启用
23.9.4. show events

23.1. 数据库管理(Database)

23.1.1. create

Creating a UTF-8 database

CREATE DATABASE db_name DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
			

Create a UTF-8 database with binary UTF-8 collation.

CREATE DATABASE dbname CHARACTER SET utf8 COLLATE utf8_bin;
			

23.1.2. drop

DROP DATABASE db_name;
			

23.1.3. Alter

ALTER DATABASE dbname DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
			

23.1.4. Rename

RENAME {DATABASE | SCHEMA} db_name TO new_db_name;
			

before 5.0 version

[neo@development ~]$ mysqldump -uroot -pchen db_old | mysql -uroot -pchen db_new
			

23.1.5. CHARACTER

			
ALTER DATABASE <database_name> CHARACTER SET utf8;
			
			

23.1.6. show create database

			
mysql> show create database dbname;
+----------+-------------------------------------------------------------------+
| Database | Create Database                                                   |
+----------+-------------------------------------------------------------------+
| dbname   | CREATE DATABASE `dbname` /*!40100 DEFAULT CHARACTER SET utf8 */   |
+----------+-------------------------------------------------------------------+
1 row in set (0.00 sec)
			
			
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