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                ## 一、創建用戶 先登錄; ``` #遠程用戶 mysql>create user 'test'@'%' identified by 'Da#F!999$'; #本地用戶 mysql>create user 'test'@'localhost' identified by 'Da#F!999$'; ``` >[danger] 遠程用戶登陸的時候,除了防火墻3306(默認)端口打開之外,有些云服務器還需要設置安全組的端口開放; ![](https://img.kancloud.cn/74/52/7452dcb899a2735d9bff0cae1dcedd57_1918x620.png) ## 二、用戶授權 ``` #正常用戶 mysql>grant all privileges on test.* to 'test'@'%' with grant option; #只讀用戶 mysql>grant select on test.* to 'reader'@'%' with grant option; mysql>grant process on *.* to 'reader'@'%'; mysql>flush privileges; ``` 取消授權 ``` mysql>revoke all privileges on test.* from 'test'@'%'; ``` >[danger] all privileges 可以改為select,update,insert,delete,drop,create等操作權限; ## 三、修改密碼 ``` alter user 'test'@'localhost' identified by '新密碼'; ```
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