數據庫中AS的使用意義

aS在數據庫中后面可以起到一個別名的作用，這樣可以方便給開發的人員的理解

 

select
     username as 賬號 ,
     password as 密碼,
     mingzi as 名字,
    zhengjianhao as 證件號,
    dianhua as 電話,
    zhuceriqi as 注冊日期,
    zhuangtai as 狀態,
    quanxian as 權限,
    shengyutianshu as 剩余天數
     from user

 

 

 

 

 

 

引用作者：https://www.cnblogs.com/zhaotiancheng/p/6692553.html