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关于group by 以下语句正确的是( )

A. SELECT store_name FROM Store_Information GROUP BY store_name

B. SELECT SUM(sales)　FROM Store_Information GROUP BY sales

C. SELECT store_name, price SUM(sales)　FROM Store_Information GROUP BY store_name，price

D. SELECT store_name, SUM(sales)　FROM Store_Information GROUP BY store_name

答案

BCD

题目信息

题号：2010

题型：多选题

难度：普通

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