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MySQL学习笔记四:字符集

2015-04-14 15:06 375 查看
1.字符集就是字符和其编码的集合,查看数据库支持的字符集

show character set


2.查看服务端启动时默认的字符集

mysql> show variables like 'character_set_%';
+--------------------------+-------------------------------------------+
| Variable_name            | Value                                     |
+--------------------------+-------------------------------------------+
| character_set_client     | gbk                                       |
| character_set_connection | gbk                                       |
| character_set_database   | utf8                                      |
| character_set_filesystem | binary                                    |
| character_set_results    | gbk                                       |
| character_set_server     | utf8                                      |
| character_set_system     | utf8                                      |
| character_sets_dir       | D:\MySQL\MySQL Server 5.5\share\charsets\ |
+--------------------------+-------------------------------------------+


3.设置当前客户端会话字符集

set names utf8 or set character set 'charset_name'


4.在保存时指定字符集

create database student charser gb2312  -----数据库级粒度-------
create table db_name(....)engine=MyISAM default charset=utf8  ----表级粒度-------
col_name character set utf8   -----列级粒度------


5.设置全局粒度的默认字符集

set global character_set_server=utf8
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