Mysql编码设置

mysql> show variables like 'collation_%';  
mysql> show variables like 'character_set_%';

mysql> ALTER TABLE table_name CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci; 

mysql> set character_set_connection=utf8;
mysql> set character_set_database=utf8;
mysql> set character_set_results=utf8;
mysql> set character_set_server=utf8;

[root@Hadoop48 ~]# vi /etc/my.cnf  
[mysql]  
default-character-set=utf8  
[client]  
default-character-set=utf8  
[mysqld]  
default-character-set=utf8  
character_set_server=utf8  
init_connect='SET NAMES utf8'