CREATE USER '用户名'@'主机名' IDENTIFIED BY '密码';
DROP USER '用户名'@'主机名';
UPDATE USER SET PASSWORD = PASSWORD('新密码') WHERE USER = '用户名'; UPDATE USER SET PASSWORD = PASSWORD('abc') WHERE USER = 'lisi'; SET PASSWORD FOR '用户名'@'主机名' = PASSWORD('新密码'); SET PASSWORD FOR 'root'@'localhost' = PASSWORD('123');
-- 1. 切换到mysql数据库 USE myql; -- 2. 查询user表 SELECT * FROM USER;
SHOW GRANTS FOR '用户名'@'主机名'; SHOW GRANTS FOR 'lisi'@'%';
-- 授予权限 grant 权限列表 on 数据库名.表名 to '用户名'@'主机名'; -- 给张三用户授予所有权限,在任意数据库任意表上 GRANT ALL ON *.* TO 'zhangsan'@'localhost';
-- 撤销权限: revoke 权限列表 on 数据库名.表名 from '用户名'@'主机名'; REVOKE UPDATE ON db3.`account` FROM 'lisi'@'%';