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第 4 章 DDL - Data Definition Language

目录

4.1. 数据库管理(Database)
4.1.1. create
4.1.2. drop
4.1.3. Alter
4.1.4. Rename
4.1.5. CHARACTER
4.1.6. show create database
4.2. 表管理(Table)
4.2.1. 数据类型
4.2.1.1. SET 集合类型
4.2.2. create table ... select
4.2.3. modifiy table
4.2.4. TEMPORARY Table
4.2.5. Collate
4.2.6. CHARACTER
4.2.7. DEFAULT
4.2.7.1. AUTO_INCREMENT
4.2.7.2. 表存储位置(DATA DIRECTORY)
4.2.8. KEY
4.2.8.1. PRIMARY KEY
4.2.9. COMMENT
4.2.10. Engine
4.2.10.1. FEDERATED
4.2.10.2. BLACKHOLE
4.3. Partitioning
4.3.1. RANGE
4.3.2. LIST
4.3.3. HASH
4.3.3.1. LINEAR HASH
4.3.4. KEY分区
4.3.5. Subpartitioning
4.3.6. 分区管理
4.3.6.1. 新增分区
4.3.6.2. 删除分区
4.3.6.3. 重建分区
4.3.6.4. 分区维护
4.3.7. EXPLAIN PARTITIONS
4.3.8. SHOW CREATE TABLE
4.3.9. INFORMATION_SCHEMA.partitions 表
4.3.10. 分区数据操作
4.4. Index
4.4.1. SHOW INDEX
4.4.2. CREATE INDEX
4.4.3. DROP INDEX
4.4.4. rebuild
4.5. 外键(Foreign Key)
4.5.1. FOREIGN KEY (RESTRICT)
4.6. 视图(View)
4.7. 存储过程(PROCEDURE)
4.7.1. 存储程序
4.7.2. 函数
4.8. 触发器(Trigger)
4.8.1. create trigger
4.8.2. drop trigger
4.8.3. show triggers
4.8.4. EXAMPLE
4.8.4.1. BEFORE/AFTER
4.8.4.2. UUID
4.8.4.3. CALL PROCEDURE
4.9. 事件调度器(EVENT)
4.9.1. 启用 EVENT
4.9.2. 创建 EVENT
4.9.3. 禁用/启用
4.9.4. show events

4.1. 数据库管理(Database)

4.1.1. 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;
			

4.1.2. drop

DROP DATABASE db_name;
			

4.1.3. Alter

ALTER DATABASE dbname DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
			

4.1.4. 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
			

4.1.5. CHARACTER

			
ALTER DATABASE <database_name> CHARACTER SET utf8;
			
			

4.1.6. 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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