MySQL

ssh连接服务器

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ssh username@ipaddress

登录

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mysql -u root -p

修改密码

想修改密码，网上找到的指令，结果报错了

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mysql> update user set password=password('新密码') where user='用户名';
ERROR 1054 (42S22): Unknown column 'password' in 'field list'

错误的原因是 5.7版本下的mysql数据库下已经没有password这个字段了，password字段改成了authentication_string

正确姿势：

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mysql> update mysql.user set authentication_string=password('****') where user='****';
Query OK, 1 row affected, 1 warning (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 1

mysql> flush privileges;
Query OK, 0 rows affected (0.01 sec)

mysql> quit
Bye
update user set authentication_string=password("*") where user="root";

cmd

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show databases;

show tables;