mysql5.7数据库删除用户及其权限 drop user ‘root‘@‘%‘； flush privileges；

Posted 2022-02-19 闭关苦炼内功

mysql5.7.27数据库想要删除用户的所有权限，只需两步操作

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Step1：删除用户及其权限

drop user 'root'@'%';

Step2：生效

flush privileges;

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以下是详情：

• 删除前

mysql> SELECT DISTINCT CONCAT('User: ''',user,'''@''',host,''';') AS query FROM mysql.user;
+------------------------------------+
| query                              |
+------------------------------------+
| User: 'root'@'%';                  |
| User: 'demo'@'%';                  |
| User: 'mysql.session'@'localhost'; |
| User: 'mysql.sys'@'localhost';     |
| User: 'root'@'localhost';          |
+------------------------------------+
5 rows in set (0.00 sec)

mysql>

• 开始删除

mysql> drop user 'root'@'%';
Query OK, 0 rows affected (0.36 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.40 sec)

mysql>

• 删除后

mysql> SELECT DISTINCT CONCAT('User: ''',user,'''@''',host,''';') AS query FROM mysql.user;
+------------------------------------+
| query                              |
+------------------------------------+
| User: 'demo'@'%';                  |
| User: 'mysql.session'@'localhost'; |
| User: 'mysql.sys'@'localhost';     |
| User: 'root'@'localhost';          |
+------------------------------------+
4 rows in set (0.00 sec)

mysql>

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追更

写完这篇文章，突然发现之前写过一篇文章包含了

终极解决部署MySQL5.7后忘记root密码

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我们下期见，拜拜