参考答案和解析
正确答案:B
更多“A point B lead C come D amount ”相关问题
  • 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


    A

  • 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


    SUM(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


    B

  • 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


    &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


    INSERT INTO OrderDetail(OrderCode, Amount, BookCode) VALUES('08110801',3, '0701');INSERT INTO OrderDetail(OrderCode, BookCode, Amount) VALUES('08110801', '0701', 3);INSERT INTO OrderDetail VALUES('08110801', '0701', 3)

  • 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


    &a, &*point , point