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 '%%'
若要删除book表中所有数据,以下语句错误的是()A.truncate table book B.dele...
多项选择题若要删除book表中所有数据,以下语句错误的是()
A.truncate table book B.delete * from book C.drop table book D.delete from book
学生成绩表grade中有字段score(float),现在要把所有在55分至60之间的分数提高5分,以下sql...
多项选择题学生成绩表grade中有字段score(float),现在要把所有在55分至60之间的分数提高5分,以下sql语句正确的是()
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
现有书目表book,包含字段:price(float);现在查询一条书价最高的书目的详细信息,以下语句正确的是...
多项选择题现有书目表book,包含字段:price(float);现在查询一条书价最高的书目的详细信息,以下语句正确的是()
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)