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MySQL 修改数据库名称的一个新奇方法_MySQL

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Release: 2016-06-01 13:05:43
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MySQL在5.1引入了一个rename database操作,但在MySQL5.1.23后又不支持这个命令。可以说是一个实验性的功能,没有在生产中支持过(mysql-5.1 release在mysql-5.1.30),那么生产中我们有时为了追求完美需要改一下库名。怎么操作呢?
这里提供一个变通的方法。

1. 创建出新库名:

代码如下:


mysql>create database db_v2;


2.生成rename语句,从olddb里迁移,我这里olddb里sbtest;

代码如下:

mysql>select concat("rename table ",table_schema,".",table_name," to db_v2.",table_name,";") into outfile '/tmp/rename_to_db_v2.sql' from information_schema.tables where table_schema='sbtest';


3.执行生成的sql

代码如下:

mysql>source /tmp/rename_to_db_v2.sql


就这么简单可以搞定了。
Good luck!
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