#要列出用户 SELECT * FROM mysql.user; #创建用户 CREATE USER user1 IDENTIFIED BY '628803c'; #更改密码 ALTER USER user1IDENTIFIED WITH mysql_native_password BY '6288031f'; #要显示权限: show grants for 'user1'; #要更改权限,请先撤消。如: revoke all privileges on *.* from 'user1'; #然后根据需要授予适当的权限: grant SELECT,INSERT,UPDATE,DELETE ON `db`.* TO 'user1'; #最后,刷新: flush privileges;