centos mysql 本机增加用户?

增加用户：

grant all privileges on *.* to root@'localhost' identified by '12345678' with grant option

FLUSH PRIVILEGES

查看用户：SELECT * from mysql.`user`这个在5.0，5.1，5.5版本的都可以，其他的版本没有测试过。

你可以去www.quzixi.com 的mysql板块里看一下mysql的基础知识，他的脚本几乎都测试过了

创建新的用户名和密码

create

user

username

identified

by

password

给用户分配权限

GRANT

privileges

ON

databasename.tablename

TO

'username'@'host'

grant

all

privileges

on

*.*

to

'username'@'localhost'

identified

by

'password'

删除权限

REVOKE

ALL

PRIVILEGES

ON

*.*

FROM

'username'@'localhost'

分配指定库的权限

GRANT

ALL

PRIVILEGES

ON

database1.*

TO

'username'@'localhost'

IDENTIFIED

BY

'password'

分配指定 *** 作的权限

GRANT

SELECT,

UPDATE

ON

database1.*

TO

'username'@'localhost'

IDENTIFIED

BY

'password'

刷新权限

FLUSH

PRIVILEGES

删除用户

DROP

USER

username@localhost

设置默认的编码

修改/etc/my.cnf配置文件，在[mysqld]下添加编码配置，如下所示

character_set_server=utf8

init_connect='SET

NAMES

utf8'

重启mysql

systemctl

restart

mysqld

更新用户的密码

SET

PASSWORD

FOR

'username'@'localhost'

=

PASSWORD("123456")

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