如何安全地更改MySQL数据库管理员用户名

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如何安全地更改MySQL数据库管理员用户名

用root身份登入 进入mysql库 修改user表即可。

操作如下：

2. G:\phpStudy\MySQL\bin>mysql -uroot -proot
3. Welcome to the MySQL monitor. Commands end with ; or \g.
4. Your MySQL connection id is 391
5. Server version: 5.0.51b-community-nt-log MySQL Community Edition (GPL)
6. Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
7. mysql> use mysql;
8. Database changed
9. mysql> update user set user='xly' where user='root';
10. Query OK, 2 rows affected (0.00 sec)
11. Rows matched: 2 Changed: 2 Warnings: 0
12. mysql> flush privileges;
13. mysql> select user,host,password from mysql.user;
14. +------+-----------+-------------------------------------------+
15. | user | host | password |
16. +------+-----------+-------------------------------------------+
17. | xly | localhost | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B |
18. | yxl | localhost | *23AE809DDACAF96AF0FD78ED04B6A265E05AA257 |
19. | xly | % | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 |
20. +------+-----------+-------------------------------------------+
21. 3 rows in set (0.00 sec)

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