單項(xiàng)選擇題下面()聚合函數(shù)可以用來(lái)返回?cái)?shù)據(jù)表中記錄總數(shù)。

A.Count
B.Avg
C.Sum
D.Max


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1.多項(xiàng)選擇題要在tbAddress表中更新記錄,下面()語(yǔ)句是正確的。

A.Update tbAddress Set strName="萌萌",intAge=22 Where ID=2
B.Update tbAddress Set strName=萌萌,intAge=22 Where strName=萌萌
C.Update tbAddress Set dtmSubmit=2008-10-1 Where strName="萌萌"
D.Update tbAddress Set intAge=18

2.多項(xiàng)選擇題要在tbAddress表中插入記錄,下面()語(yǔ)句是正確的。

A.Insert Into tbAddress(strName,strTel)Values("萌萌","6545632")
B.Insert Into tbAddress(strName,strEmail)Values("萌萌","")
C.Insert Into tbAddress(strName,strEmail)Values("萌萌",NULL)
D.Insert Into tbAddress(strName,intAge)Values(萌萌,22)

3.單項(xiàng)選擇題下面()語(yǔ)句可以查詢(xún)姓“趙”并且年齡等于22歲的用戶(hù)。

A.Select * From tbAddress Where strName="趙"And intAge=22
B.Select * From tbAddress Where strName like"趙%"And intAge="22"
C.Select * From tbAddress Where strName like"趙%"And intAge=22
D.Select * From tbAddress Where strName like"%趙%"And intAge=22

4.單項(xiàng)選擇題下面()語(yǔ)句可以查詢(xún)strName為"萌萌"且是2008年8月8日前注冊(cè)的用戶(hù)。

A.Select * From tbAddress Where strName=萌萌 And dtmSubmit<#2008-8-8#
B.Select * From tbAddress Where strName="萌萌"And dtmSubmit<2008-8-8
C.Select * From tbAddress Where strName="萌萌"And dtmSubmit<#2008-8-8#
D.Select * From tbAddress Where strName="萌萌"Or dtmSubmit<#2008-8-8#