一,复制表结构 方法1: 查看复制打印? mysqlcreatetablealikeusers; //复制表结构 QueryOK,0rowsaffected(0.50sec) mysqlshowtables; ---------------- |Tables_in_test| ---------------- |a| |users| ---------------- 2rowsinset(0.00sec) 方法2: 查看复
一,复制表结构
方法1:
查看复制打印?
- mysql> create table a like users; //复制表结构
- Query OK, 0 rows affected (0.50 sec)
- mysql> show tables;
- +----------------+
- | Tables_in_test |
- +----------------+
- | a |
- | users |
- +----------------+
- 2 rows in set (0.00 sec)
方法2:
查看复制打印?
- mysql> create table b select * from users limit 0; //复制表结构
- Query OK, 0 rows affected (0.00 sec)
- Records: 0 Duplicates: 0 Warnings: 0
- mysql> show tables;
- +----------------+
- | Tables_in_test |
- +----------------+
- | a |
- | b |
- | users |
- +----------------+
- 3 rows in set (0.00 sec)
方法3:
查看复制打印?
- mysql> show create table users\G; //显示创表的sql
- *************************** 1. row ***************************
- Table: users
- Create Table: CREATE TABLE `users` ( //改表名
- `ID` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
- `user_name` varchar(60) NOT NULL DEFAULT '',
- `user_pass` varchar(64) NOT NULL DEFAULT '',
- PRIMARY KEY (`ID`)
- ) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8 //改auto_increment
- 1 row in set (0.00 sec)
把sql语句copy出来,改一下表名和atuo_increment,然后在执行一下。
二,复制表数据,以及表结构
方法1:
查看复制打印?
- mysql> create table c select * from users; //复制表的sql
- Query OK, 4 rows affected (0.00 sec)
- Records: 4 Duplicates: 0 Warnings: 0
方法2:
- mysql> create table d select user_name,user_pass from users where id=1;
- Query OK, 1 row affected (0.00 sec)
- Records: 1 Duplicates: 0 Warnings: 0
上面的2种方法,方便,快捷,灵活性强。
方法3:
先创建一个空表, INSERT INTO 新表 SELECT * FROM 旧表 ,或者
INSERT INTO 新表(字段1,字段2,…….) SELECT 字段1,字段2,…… FROM 旧表

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