比如有张users表 主键列是UID,
如果我用SELECT UID FROM USERS;结果显示每列都是0 如果我用SELECT UID FROM
如果我用SELECT UID FROM USERS;结果显示每列都是0 如果我用SELECT UID FROM
阅读背景：
SELECT语句中列名加上双引号有什么区别?
来源：互联网
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