多项选择题X 纠错
A.Select Count(1)From Student
B.Select Sum(*)From Student
C.Selec tAvg(*)From Student
D.Select Count(*)From Student
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多项选择题
A.Select *From Emp Where Job>="办事员"
B.Select* From Emp Where Job==’办事员’
C.Select* From Emp Where Job<>’办事员’
D.Select* From Emp Where Job!=’办事员’
多项选择题
A.elect * From Emp Where HirDate>='1981-1-1' And HirDate <='1981-12-31'
B.Select * From Emp Where Between In '1981-1-1' And <'1981-12-31'
C.Select * From Emp Where Between In '1981-12-31' And <'1981-1-1'
D.Select * From Emp Where HirDate>='1981-1-1' NOT HirDate <='1981-12-31'
多项选择题
A.Select * From Emp Where EmpNO In('791','792','793')
B.Select * From Emp Where EmpNO ='791' Or EmpNO='792' OR EmpNO='793'
C.Select * From Emp Where EmpNO >='791' And EmpNO<='793'
D.Select * From Emp Where EmpNO >'791' And EmpNO<'793'
多项选择题
A.Select * From Emp Where EmpNO Not In('791','792','793')
B.Select * From Emp Where EmpNO !='791' AND EmpNO!='792' And EmpNO='793'
C.Select * From Emp Where EmpNO <>'791' AND EmpNO<>792' And EmpNO=<>793'
D.Select * From Emp Where EmpNO =!'791' AND EmpNO =!'792' And EmpNO =!'793'
多项选择题
A.Select * From Emp
B.Select * From Emp Where EmpNO Like '%%'
C.Select * From Emp Where Name = '%%'
D.Select * From Emp Where Name Like '%%'
多项选择题
A.truncate table book
B.delete * from book
C.drop table book
D.delete from book
多项选择题
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
多项选择题
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)
多项选择题
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