1.0 查询Mysql用户

select * from mysql.user;

2.0 创建用户
create user '用户名'@'主机' identified by '密码';
create user 'yangchao'@'localhost' identified by 'yangchao';
flush privilege;        #创建完用户及权限后,需要使用该命令刷新权限
grant all privileges on *.* to ‘root01’@'%' identified by 'root01';
flush privileges;

4.0 修改用户密码
set password for '用户名'@'主机' = password('新密码'); #需要执行刷新权限
flush privileges;
https://blog.51cto.com/11555417/2160730

我们曾如此渴望生命的波澜,到后来才发现,人生最曼妙的风景是内心的淡定与从容