1 创建用户
语法:
CREATE USER 用户名@地址 IDENTIFIED BY '密码';
CREATE USER user1@localhost IDENTIFIED BY ‘123’; |
CREATE USER user2@’%’ IDENTIFIED BY ‘123’; |
user1用户只能访问localhost
user2用户可以远程访问
2 给用户授权
语法:
GRANT 权限1, … , 权限n ON 数据库.* TO 用户名@IP
GRANT CREATE,ALTER,DROP,INSERT,UPDATE,DELETE,SELECT ON mydb1.* TO user1@localhost; |
GRANT ALL ON mydb1.* TO user2@’%’; |
3 撤销授权
语法:
REVOKE权限1, … , 权限n ON 数据库.* FORM 用户名
REVOKE CREATE,ALTER,DROP ON mydb1.* FROM user1@localhost; |
4 查看用户权限
语法:
SHOW GRANTS FOR用户名
SHOW GRANTS FOR user1@localhost; |
5 删除用户
语法:
DROP USER 用户名
DROP USER user1@localhost; |
6 修改用户密码
语法:
Use mysql;
UPDATE USER SETPASSWORD=PASSWORD(‘密码’) WHERE User=’用户名’;
FLUSHPRIVILEGES;
UPDATE USER SET PASSWORD=PASSWORD('1234') WHERE User='user2'; FLUSH PRIVILEGES; |