关于groupby以下语句正确的是()
A: SELECTstore_nameFROMStore_InformationGROUPBYstore_name
B: SELECTSUM(sales)FROMStore_InformationGROUPBYsales
C: SELECTstore_name,priceSUM(sales)FROMStore_InformationGROUPBYstore_name,price
D: SELECTstore_name,SUM(sales)FROMStore_InformationGROUPBYstore_name
A: SELECTstore_nameFROMStore_InformationGROUPBYstore_name
B: SELECTSUM(sales)FROMStore_InformationGROUPBYsales
C: SELECTstore_name,priceSUM(sales)FROMStore_InformationGROUPBYstore_name,price
D: SELECTstore_name,SUM(sales)FROMStore_InformationGROUPBYstore_name
举一反三
- My name is Lucy Smith. And I’m____ Sales Department of Rainbow Company.
- html语言中创建一个位于文档内部的锚点的语句是 A: <;name=“NAME” B: <;name=“NAME”>;<;/name>; C: <;a name=“NAME”>;<;/a>; D: <;a name=“ E: NAME“>;<;/a>;
- 在PHP中,定义一个常量define(‘NAME’,’大咖’),以下语句正确输出“大咖”的是 A: echo name; B: echo NAME; C: echo $name; D: echo $NAME;
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