mysql 5.7密码报错 ERROR 1820 (HY000): You must reset your password using ALTER USER statement before exe

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1、重新修改密码,语句如下:

mysql> alter user \'root\'@\'localhost\' identified by \'123\';
Query OK, 0 rows affected (0.00 sec)

 

2、如果修改过程出现错误(如下),转后面操作:

mysql> alter user \'root\'@\'localhost\' identified by \'123\';
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements

2.1、这个其实与validate_password_policy的值有关。validate_password_policy有以下取值:

默认是1,即MEDIUM,所以刚开始设置的密码必须符合长度,且必须含有数字,小写或大写字母,特殊字符。我只想设置root的密码为123。必须修改两个全局参数:

首先,修改validate_password_policy参数的值:

mysql> set global validate_password_policy=0;
Query OK, 0 rows affected (0.00 sec)  

其次,validate_password_length(密码长度)参数默认为8,我们修改为1 :

mysql> set global validate_password_length=1;
Query OK, 0 rows affected (0.00 sec)

2.2、完成之后再次执行修改密码语句即可成功:

mysql> alter user \'root\'@\'localhost\' identified by \'123\';
Query OK, 0 rows affected (0.00 sec)

  

 

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