• 在linux安装mysql重启提示You must SET PASSWORD before executing this statement的解决方法


    利用安全模式成功登陆,然后修改密码,等于给MySql设置了密码。登陆进去后,想查询所有存在的数据库测试下。得到的结果确实:

    ERROR 1820 (HY000): You must SET PASSWORD before executing this statement

    非常诡异啊,明明用密码登陆进去了,怎么还提示需要密码。
    参考官方的一个文档,见http://dev.mysql.com/doc/refman/5.6/en/alter-user.html。如下操作后就ok了:

    mysql> show databases;
    ERROR 1820 (HY000): You must SET PASSWORD before executing this statement
    mysql> SET PASSWORD = PASSWORD('123456');
    Query OK, 0 rows affected (0.00 sec)

    mysql> show databases;
    5 rows in set (0.00 sec)


    也就是用mysql> SET PASSWORD = PASSWORD('123456');这句话重新设置一次密码!哎,搞得真费劲啊。


    有的童鞋也会遇到如下问题:

    最近新装好的mysql在进入mysql工具时,总是有错误提示:

    # mysql -u root -p
    Enter password:
    ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
    或者
    # mysql -u root -p password 'newpassword'
    Enter password:
    mysqladmin: connect to server at 'localhost' failed
    error: 'Access denied for user 'root'@'localhost' (using password: YES)'

    现在终于找到解决方法了。本来准备重装的,现在不必了。
    方法操作很简单,如下:
    # /etc/init.d/mysql stop
    # mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
    # mysql -u root mysql
    mysql> UPDATE user SET Password=PASSWORD('newpassword') where USER='root' and host='root' or host='localhost';//把空的用户密码都修改成非空的密码就行了。
    mysql> FLUSH PRIVILEGES;
    mysql> quit # /etc/init.d/mysqld restart
    # mysql -uroot -p
    Enter password: <输入新设的密码newpassword>

    MySql5.6操作时报错:You must SET PASSWORD before executing this statement解决
    mysql> SET PASSWORD = PASSWORD('123456');
    Query OK, 0 rows affected (0.03 sec)
    mysql> create database roger;
    Query OK, 1 row affected (0.00 sec)
    也就是用mysql> SET PASSWORD = PASSWORD('123456');这句话重新设置一次密码!就搞定了。

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  • 原文地址:https://www.cnblogs.com/angelasp/p/6443076.html
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