A point
B lead
C come
D amount
第1题:
6、若有语句int *point,a=4;和 point=&a;下面均代表地址的一组选项是
A.A) a,point,*&a
B.B) &*a,&a,*point
C.C) *&point,*point,&a
D.D) &a,&*point,point
第2题:
7、BookStore数据库中有销售明细表OrderDetail(OrderCode, BookCode, Amount) 查询销售总量前20%的图书,并按总销量降序排列。SQL语句: SELECT TOP 20 PERCENT Bookcode As 书号, SUM(Amount)As总销量 ROM OrderDetail GROUP BY Bookcode ORDER BY ________
A.Amount DESC
B.SUM(Amount) DESC
C.COUNT(Amount) DESC
D.ADD(Amount) DESC
第3题:
【单选题】BookStore数据库中有销售明细表OrderDetail(OrderCode, BookCode, Amount)查询销售总量前20%的图书,并按总销量降序排列。SQL语句: SELECT TOP 20 PERCENT Bookcode As 书号, SUM(Amount)As总销量 ROM OrderDetail GROUP BY Bookcode ORDER BY ________
A.Amount DESC
B.SUM(Amount) DESC
C.COUNT(Amount) DESC
D.ADD(Amount) DESC
第4题:
若有语句int *point,a=4;和 point=&a;下面均代表地址的一组选项是
A.A) a,point,*&a
B.B) &*a,&a,*point
C.C) *&point,*point,&a
D.D) &a,&*point,point
第5题:
BookStore数据库中有销售明细表OrderDetail(OrderCode, BookCode, Amount) 查询销售总量前20%的图书,并按总销量降序排列。SQL语句: SELECT TOP 20 PERCENT Bookcode As 书号, SUM(Amount)As总销量 ROM OrderDetail GROUP BY Bookcode ORDER BY ________
A.Amount DESC
B.SUM(Amount) DESC
C.COUNT(Amount) DESC
D.ADD(Amount) DESC
第6题:
若有语句 int *point, a = 4; point = &a; 下面均代表地址的一组选项是()
A.point,*&a
B.&*a,&a, *point
C.*&point, *point, &a
D.&a, & *point,point