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【单选题】
P2.下列SQ查询语句中,与下面查询设计视图所示的查询结果等价的是()。A.
SELECT姓名,性别,所属院系,简历 FROM sTud WhERE性别="女"AND所属院系I("03","04")
B.
SELECT姓名,简历 FROM tStud Where性别="女"AND所属院系IN("03""04")
C.
SELECT姓名,性别,所属院系,简历 FROM sTud WhERE性别="女"AN所属院系="03"OR所属院系="04"
D.
SELECT姓名,简历 FROM t Stud WhERE性别="女"AND所属院系≡"03"OR所属院系="04
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【单选题】如果想在Servlet中使用Session,创建Servlet时,必须继承下列哪个类?( )
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