TestKing.comhasaSQLServer2005computer.Youhavebeenassignedthetaskofretrievinginfo
TestKing.comhasaSQLServer2005computer.Youhavebeenassignedthetaskofretrievinginformationaboutauserwhoiscurrentlyloggedin.Youneedtocreateafunctionthatreturnsscalarinformationabouttheactivitytimeforaparticularuser.Whataretwopossiblewaystoachievethisgoal？（）
A.Createafunctionthatreturnsalistofvaluesthatrepresentthelogintimesforthegivenuser.
B.Createafunctionthatreturnsalistofvaluesthatrepresentthepeoplewhohaveloggedmorehoursthanthecurrentuserhaslogged.
C.Createafunctionthatreturnsanumericvaluethatrepresentsthenumberofhoursthatauserhasloggedforthecurrentday.
D.Createafunctionthatreturnsanumericvaluethatrepresentsthenumberofhoursthatauserhasloggedforthecurrentmonth.
正确答案：参考C, D
词条内容仅供参考，如果您需要解决具体问题
（尤其在法律、医学等领域），建议您咨询相关领域专业人士。