多項(xiàng)選擇題數(shù)據(jù)庫(kù)中有一張表名為Emp,包含有如下列:EmpNO(雇員編號(hào),Varchar(20),Pk),Job(職位Varchar(10)),HirDate(雇傭日期,Date),Sal(月薪,F(xiàn)loat)。要求查詢?nèi)抗蛦T信息應(yīng)該是哪些數(shù)據(jù)?()

A.Select * From Emp 
B.Select * From Emp Where EmpNO Like '%%' 
C.Select * From Emp Where Name = '%%' 
D.Select * From Emp Where Name Like '%%'


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1.多項(xiàng)選擇題若要?jiǎng)h除book表中所有數(shù)據(jù),以下語(yǔ)句錯(cuò)誤的是()

A.truncate table book 
B.delete * from book
C.drop table book 
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2.多項(xiàng)選擇題學(xué)生成績(jī)表grade中有字段score(float),現(xiàn)在要把所有在55分至60之間的分?jǐn)?shù)提高5分,以下sql語(yǔ)句正確的是()

A.Update grade set score=score+5
B.Update grade set score=score+5 where score>=55 or score <=60
C.Update grade set score=score+5 where score between 55 and 60
D.Update grade set score=score+5 where score >=55 and score <=60

3.多項(xiàng)選擇題現(xiàn)有書(shū)目表book,包含字段:price(float);現(xiàn)在查詢一條書(shū)價(jià)最高的書(shū)目的詳細(xì)信息,以下語(yǔ)句正確的是()

A.select top 1 * from book order by price asc
B.select top 1 * from book order by price desc
C.select top 1 * from book where price= (select max (price)from book)
D.select top 1 * from book where price= max(price)

4.多項(xiàng)選擇題成績(jī)表grade中字段score代表分?jǐn)?shù),以下()語(yǔ)句返回成績(jī)表中的最低分。

A.select max(score) from grade 
B.select top 1 score from grade order by score asc 
C.Select min(score) from grade 
D.select top 1 score from grade order by score desc

5.多項(xiàng)選擇題Sql語(yǔ)句:select * from students where SNO like ‘010[^0]%[A,B,C]%’,可能會(huì)查詢出的SNO是()

A.01053090A#Hm3?
B.01003090A01
C.01053090D09
D.0101A01