Mysql之权限操作

create user  'user1'@localhost identified by 'passwd123';
create user   'user1'@% identified by 'passwd123';
grant all on *.* to 'user1'@localhost identified by 'passwd123';
drop user  'user1'@localhost;
delete from mysql.user where user='user1' AND host='localhost';
rename user 'old_user'@localhost to 'new_user'@localhost;
#flush privileges; //刷新权限
mysqladmin -uroot -p'root' password 'new_password'
alter user user1'@% identified by 'passwd123';
set password=password('newpassword');

#root密码忘记，如何登录mysql
# https://cloud.tencent.com/developer/article/1855931

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