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如何从mysql用户/数据库中“撤销”“GRANT OPTION”?

2019-08-05 23:50:34  阅读:252  来源: 互联网

标签:linux mysql mysql-5-5


我有一个包含大量用户和授权的mysql安装.但是一个授权是唯一的,因为它应该是一个简单的数据库用户,通常不需要GRANT权限.但是有人在添加帐户时添加了它.它看起来像这样:

GRANT USAGE ON *.* TO 'freg2'@'%' IDENTIFIED BY PASSWORD '*XXXXX';
GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, \
    REFERENCES, INDEX, ALTER, CREATE TEMPORARY TABLES, \
    LOCK TABLES, EXECUTE, CREATE VIEW, SHOW VIEW, \
    CREATE ROUTINE, ALTER ROUTINE \
    ON `freg2`.* TO 'freg2'@'%' WITH GRANT OPTION;

我在网(和这个网站)上搜索了如何删除“GRANT OPTION”的解决方案,而无需重新创建整个授权/帐户.到目前为止没有运气.

真的没有办法从该帐户中删除“此”权限或权利吗?

提前致谢.

解决方法:

和往常一样……

root@localhost:playground > grant select, grant option on playground.* to asdf@localhost identified by 'asdf';
Query OK, 0 rows affected (0.02 sec)

root@localhost:playground > show grants for asdf@localhost;
+-------------------------------------------------------------------------------------------------------------+
| Grants for asdf@localhost                                                                                   |
+-------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO 'asdf'@'localhost' IDENTIFIED BY PASSWORD '*7F0C90A004C46C64A0EB9DDDCE5DE0DC437A635C' |
| GRANT SELECT ON `playground`.* TO 'asdf'@'localhost' WITH GRANT OPTION                                      |
+-------------------------------------------------------------------------------------------------------------+
2 rows in set (0.00 sec)

root@localhost:playground > revoke grant option on playground.* from asdf@localhost;
Query OK, 0 rows affected (0.00 sec)

root@localhost:playground > show grants for asdf@localhost;
+-------------------------------------------------------------------------------------------------------------+
| Grants for asdf@localhost                                                                                   |
+-------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO 'asdf'@'localhost' IDENTIFIED BY PASSWORD '*7F0C90A004C46C64A0EB9DDDCE5DE0DC437A635C' |
| GRANT SELECT ON `playground`.* TO 'asdf'@'localhost'                                                        |
+-------------------------------------------------------------------------------------------------------------+
2 rows in set (0.00 sec)

manual也一如既往地非常有帮助.

标签:linux,mysql,mysql-5-5
来源: https://codeday.me/bug/20190805/1593732.html

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