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                mysql數據庫管理系統中有個數據庫叫做“mysql”,絕對不能刪除! 其中有個表“user”,就是存儲了當前數據庫系統中的所有用戶信息。 初始時只有一個用戶:root 。 查看用戶: ``` use mysql; select * from user; ```
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