A.SELECT store_name FROMStore_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

A.BIGINT
B.TINYINT
C.INTEGER
D.INT