标签：密码 pass 命令 ble ges tor view line pad
一, 创建用户:
命令:CREATE USER ‘username‘@‘host‘ IDENTIFIED BY ‘password‘;
说明:username - 你将创建的用户名, host - 指定该用户在哪个主机上可以登陆,如果是本地用户可用localhost, 如果想让该用户可以从任意远程主机登陆,可以使用通配符%. password - 该用户的登陆密码,密码可以为空,如果为空则该用户可以不需要密码登陆服务器.
例子: CREATE USER ‘dog‘@‘localhost‘ IDENTIFIED BY ‘123456‘;
CREATE USER ‘pig‘@‘192.168.1.101_‘ IDENDIFIED BY ‘123456‘;
CREATE USER ‘pig‘@‘%‘ IDENTIFIED BY ‘123456‘;
CREATE USER ‘pig‘@‘%‘ IDENTIFIED BY ‘‘;
CREATE USER ‘pig‘@‘%‘;
二,授权:
命令:GRANT privileges ON databasename.tablename TO ‘username‘@‘host‘
说明: privileges - 用户的操作权限,如SELECT , INSERT , UPDATE 等(详细列表见该文最后面).如果要授予所的权限则使用ALL.;databasename - 数据库名,tablename-表名,如果要授予该用户对所有数据库和表的相应操作权限则可用*表示, 如*.*.
例子: GRANT SELECT, INSERT ON test.user TO ‘pig‘@‘%‘;
GRANT ALL ON *.* TO ‘pig‘@‘%‘;
注意:用以上命令授权的用户不能给其它用户授权,如果想让该用户可以授权,用以下命令:
GRANT privileges ON databasename.tablename TO ‘username‘@‘host‘ WITH GRANT OPTION;
flush privileges;三.设置与更改用户密码
命令:SET PASSWORD FOR ‘username‘@‘host‘ = PASSWORD(‘newpassword‘);如果是当前登陆用户用SET PASSWORD = PASSWORD("newpassword"); 例子: SET PASSWORD FOR ‘pig‘@‘%‘ = PASSWORD("123456"); 四.撤销用户权限
命令: REVOKE privilege ON databasename.tablename FROM ‘username‘@‘host‘; 说明: privilege, databasename, tablename - 同授权部分. 例子: REVOKE SELECT ON *.* FROM ‘pig‘@‘%‘; 注意: 假如你在给用户‘pig‘@‘%‘授权的时候是这样的(或类似的):GRANT SELECT ON test.user TO ‘pig‘@‘%‘, 则在使用REVOKE SELECT ON *.* FROM ‘pig‘@‘%‘;命令并不能撤销该用户对test数据库中user表的SELECT 操作.相反,如果授权使用的是GRANT SELECT ON *.* TO ‘pig‘@‘%‘;则REVOKE SELECT ON test.user FROM ‘pig‘@‘%‘;命令也不能撤销该用户对test数据库中user表的Select 权限. 具体信息可以用命令SHOW GRANTS FOR ‘pig‘@‘%‘; 查看. 五.删除用户
命令: DROP USER ‘username‘@‘host‘; 附表:在MySQL中的操作权限
| ALTER |
Allows use of ALTER TABLE. |
| ALTER ROUTINE |
Alters or drops stored routines. |
| CREATE |
Allows use of CREATE TABLE. |
| CREATE ROUTINE |
Creates stored routines. |
| CREATE TEMPORARY TABLE |
Allows use of CREATE TEMPORARY TABLE. |
| CREATE USER |
Allows use of CREATE USER, DROP USER, RENAME USER, and REVOKE ALL PRIVILEGES. |
| CREATE VIEW |
Allows use of CREATE VIEW. |
| DELETE |
Allows use of DELETE. |
| DROP |
Allows use of DROP TABLE. |
| EXECUTE |
Allows the user to run stored routines. |
| FILE |
Allows use of SELECT... INTO OUTFILE and LOAD DATA INFILE. |
| INDEX |
Allows use of CREATE INDEX and DROP INDEX. |
| INSERT |
Allows use of INSERT. |
| LOCK TABLES |
Allows use of LOCK TABLES on tables for which the user also has SELECT privileges. |
| PROCESS |
Allows use of SHOW FULL PROCESSLIST. |
| RELOAD |
Allows use of FLUSH. |
| REPLICATION |
Allows the user to ask where slave or master |
| CLIENT |
servers are. |
| REPLICATION SLAVE |
Needed for replication slaves. |
| SELECT |
Allows use of SELECT. |
| SHOW DATABASES |
Allows use of SHOW DATABASES. |
| SHOW VIEW |
Allows use of SHOW CREATE VIEW. |
| SHUTDOWN |
Allows use of mysqladmin shutdown. |
| SUPER |
Allows use of CHANGE MASTER, KILL, PURGE MASTER LOGS, and SET GLOBAL SQL statements. Allows mysqladmin debug command. Allows one extra connection to be made if maximum connections are reached. |
| UPDATE |
Allows use of UPDATE. |
| USAGE |
Allows connection without any specific privileges. |
mysql 用户管理
标签：密码 pass 命令 ble ges tor view line pad
原文地址：http://www.cnblogs.com/rongfengliang/p/6771471.html
