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mysql用户新建、授权、删除、密码修改_MySQL

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2016-06-01 13:29:38892browse

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mysql用户新建、授权、删除、密码修改

 

首先要声明一下:一般情况下,修改MySQL密码,授权,是需要有mysql里的root权限的。

 

注:本操作是在WIN命令提示符下,phpMyAdmin同样适用。

    用户:phplamp  用户数据库:phplampDB

 

1.新建用户。//登录MYSQL@>mysql -u root -p@>密码//创建用户mysql> insert into mysql.user(Host,User,Password) values("localhost","phplamp",password("1234"));//刷新系统权限表mysql>flush privileges;这样就创建了一个名为:phplamp  密码为:1234  的用户。然后登录一下。mysql>exit;@>mysql -u phplamp -p@>输入密码mysql>登录成功2.为用户授权。如果你想允许用户myuser从ip为192.168.1.6的主机连接到mysql服务器,并使用mypassword作为密码GRANTALL PRIVILEGES ON *.* TO 'myuser'@'192.168.1.3' IDENTIFIED BY 'mypassword' WITHGRANT OPTION;FLUSH   PRIVILEGES;3.删除用户。@>mysql -u root -p@>密码mysql>DELETE FROM user WHERE User="phplamp" and Host="localhost";mysql>flush privileges;//删除用户的数据库mysql>drop database phplampDB;4.修改指定用户密码。@>mysql -u root -p@>密码mysql>update mysql.user set password=password('新密码') where User="phplamp" and Host="localhost";mysql>flush privileges;

 


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