Mysql的字符集查看与修改

Show variables like “%char%”
修改mysql的字符集
----数据库级
1）临时的修改
Set global character-set_server=utf8
2）永久修改
Alter database commany set utf8 collate utf8_general_ci;

----表级别
Alter table commany default charset=utf8
----列级别
Alter table commany.name change name varchar(15) character set utf8 collate utf8_general_ci;