用户授权在mysql中使用grant命令就可以了，我相信各位都会有了解过了，下面小编为各位介绍一个Mysql下建立用户授权权限例子，希望本文章对各位有帮助．
建立用户，授权数据库：
mysql> create user identified by 'admin123'; #建立主机为localhost，密码为admin123的用户byrd
Query OK, 0 rows affected (0.05 sec)
mysql> show grants for ; #查看byrd权限，USAGE表示连接权限
+-------------------------------------------------------------------------------------------------------------+
| Grants for |
+-------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO IDENTIFIED BY PASSWORD '*01A6717B58FF5C7EAFFF6CB7C96F7428EA65FE4C' |
+-------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)
mysql> select user,host from mysql.user;
+------+-----------+
| user | host |
+------+-----------+
| root | 127.0.0.1 |
| root | ::1 |
| root | lamp |
| byrd | localhost |
| root | localhost |
+------+-----------+
5 rows in set (0.00 sec)
mysql> grant all on gbk.* to; #用户byrd、主机localhost对数据库gbk拥有所有权限
Query OK, 0 rows affected (0.01 sec)
mysql> show mysqls for ;
+-------------------------------------------------------------------------------------------------------------+
| Grants for |
+-------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO IDENTIFIED BY PASSWORD '*01A6717B58FF5C7EAFFF6CB7C96F7428EA65FE4C' |
| GRANT ALL PRIVILEGES ON `gbk`.* TO |
+-------------------------------------------------------------------------------------------------------------+
2 rows in set (0.00 sec)
mysql> flush privileges;
mysql> grant all on gbk.* to identified by 'admin123'; #建立用户test，用户gbk数据库所有权限，同上
mysql> show grants for ;
+-------------------------------------------------------------------------------------------------------------+
| Grants for |
+-------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO IDENTIFIED BY PASSWORD '*01A6717B58FF5C7EAFFF6CB7C96F7428EA65FE4C' |
| GRANT ALL PRIVILEGES ON `gbk`.* TO|
+-------------------------------------------------------------------------------------------------------------+
2 rows in set (0.00 sec)
Query OK, 0 rows affected (0.00 sec)
远程连接同上：
mysql> grant all on gbk.* to 授权可连接主机' identified by 'admin123'; #这是Server端
[root@lamp ~]# /usr/local/mysql/bin/mysql -uroot -p'admin123' -h hk.t4x.org #这是client端
补充：ALL PRIVILEGES权限包括：
mysql> show grants for ;
+-------------------------------------------------------------------------------------------------------------+
| Grants for |
+-------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO IDENTIFIED BY PASSWORD '*01A6717B58FF5C7EAFFF6CB7C96F7428EA65FE4C' |
| GRANT ALL PRIVILEGES ON `gbk`.* TO |
+-------------------------------------------------------------------------------------------------------------+
mysql> revoke insert on `gbk`.* from ;
Query OK, 0 rows affected (0.00 sec)
mysql> show grants for ;
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Grants for |
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO IDENTIFIED BY PASSWORD '*01A6717B58FF5C7EAFFF6CB7C96F7428EA65FE4C' |
| GRANT SELECT, UPDATE, DELETE, CREATE, DROP, REFERENCES, INDEX, ALTER, CREATE TEMPORARY TABLES, LOCK TABLES, EXECUTE, CREATE VIEW, SHOW VIEW, CREATE ROUTINE, ALTER ROUTINE, EVENT, TRIGGER ON `gbk`.* TO |
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
ALL PRIVILEGES权限包括：GRANT SELECT, UPDATE, DELETE, CREATE, DROP, REFERENCES, INDEX, ALTER, CREATE TEMPORARY TABLES, LOCK TABLES, EXECUTE, CREATE VIEW, SHOW VIEW, CREATE ROUTINE, ALTER ROUTINE, EVENT,insert
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