單項選擇題在SQL語句中,可以使用()子句設(shè)置查詢條件,如查詢年齡大于30的數(shù)據(jù)。

A.where
B.group by
C.ather
D.limits


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題以下能查詢student表中age字段的最小值的SQL語句是()。

A.select max(age)from student
B.select min(age)from student
C.select sum(age)from student
D.select avg(age)from student

2.單項選擇題計算stu表中score列平均分?jǐn)?shù)的sql語句正確的是()。

A.select avg(score)from stu
B.select max(score)from stu
C.select min(score)from stu
D.select sum(score)from stu

3.單項選擇題查詢student表中name一列數(shù)據(jù),以下命令正確的是()。

A.select * from student
B.select name from student
C.delete from student
D.update name from student

4.單項選擇題mysql查詢數(shù)據(jù)內(nèi)容命令正確的是()。

A.select * from class
B.drop * from class
C.modify * from class
D.change * from class

5.單項選擇題查詢學(xué)生表中的學(xué)生信息,按照姓名降序排列()。

A.select * from student order by named esc
B.select * from student order by name asc
C.select * from student group by named esc
D.select * from student group by name