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Old 2016-05-22, 10:02 PM
McCool Junction McCool Junction is offline
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Default Mysql新建用户和数据库并授权

一、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”,”cplusplus”,password(“cplusplus.me”));
//刷新系统权限表
mysql>flush privileges;
这样就创建了一个名为:cplusplus 密码为:cplusplus.me 的用户。


二、登录测试

mysql>exit;
@>mysql -u cplusplus -p
@>输入密码
mysql>登录成功


三、用户授权

//登录MYSQL
@>mysql -u root -p
@>密码
//首先为用户创建一个数据库(cplusplusDB)
mysql>create database cplusplusDB;
//授权cplusplus用户拥有cplusplusDB数据库的所有权限。
>grant all privileges on cplusplusDB.* to cplusplus@localhost identified
by ‘cplusplus.me';
//刷新系统权限表
mysql>flush privileges;
mysql>其它操作


四、部分授权

mysql>grant select,update on cplusplusDB.* to cplusplus@localhost
identified by ‘cplusplus.me';
//刷新系统权限表。
mysql>flush privileges;


五、删除用户

@>mysql -u root -p
@>密码
mysql>DELETE FROM user WHERE User=”cplusplus” and Host=”localhost”;
mysql>flush privileges;


六、删除数据库

mysql>drop database cplusplusDB;

七、修改密码

@>mysql -u root -p
@>密码
mysql>update mysql.user set password=password(‘新密码’) where
User=”cplusplus” and Host=”localhost”;
mysql>flush privileges;
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