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MySQL查看与修改当前数据库编码的方法_MySQL

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Release: 2016-05-27 13:44:37
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MySQL中,数据库的编码是一个相当重要的问题,有时候我们需要查看一下当前数据库的编码,甚至需要修改一下数据库编码。

查看当前数据库编码的SQL语句为:

mysql> use xxx
Database changed
mysql> 
show variables like 'character_set_database';
+------------------------+--------+
| Variable_name          | Value  |
+------------------------+--------+
| character_set_database | latin1 |
+------------------------+--------+
Copy after login

1 row in set (0.00 sec)

上面,我们先切换到xxx数据库下面来,然后使用SQL语句:show variables like 'character_set_database'; 来查看了xxx数据库的编码。查询得到的结果是latin1编码。

下面,我们来修改xxx数据库的编码,把它修改为gb2312。

mysql> alter database xxx CHARACTER SET gb2312;Query OK, 1 row affected (0.00 sec)
mysql> show variables like 'character_set_database';
+------------------------+--------+
| Variable_name     | Value  |
+------------------------+--------+
| character_set_database | gb2312 |
+------------------------+--------+
Copy after login

1 row in set (0.00 sec)

这里同样做了两件事情:
1、使用SQL语句:alter database xxx CHARACTER SET gb2312; 把xxx数据库的编码设置为了gb2312.
2、再次使用show variables like 'character_set_database'; 来确认一下当前xxx是什么编码。经过确认,数据库编码已经修改为gb2312了。

3、当然很多情况下都是修改为utf-8编码

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