MySQL运维记录

mysql 查看登录的id以及操作的库：

select * from information_schema.processlist;

统计登录的ip以及当前操作的ip：

SELECT substring_index(host, ':',1) AS host_name,state,count(*) FROM information_schema.processlist GROUP BY state,host_name;

mysql 查看所有用户以及允许的ip：

use mysql;
select host, user from user;