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 ________
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 ________
BookStore数据库中有图书表Book(BookCode, BookName..._ BookSort FROM Book
BookStore数据库中有图书表Book(BookCode, BookName..._ BookSort FROM Book
BookStore数据库中有图书表Book(BookCode,BookName,...WHERELenth(Author)=8
BookStore数据库中有图书表Book(BookCode,BookName,...WHERELenth(Author)=8
BookStore数据库中有图书表Book(BookCode,BookName,...As最高价与最低价的差值FromBook
BookStore数据库中有图书表Book(BookCode,BookName,...As最高价与最低价的差值FromBook
BookStore数据库中有图书表 Book(BookCode, BookName, Author, PublisherCode, PublishTime,BookSort, ISBN, BookPicture, ContentInro, Price, Discount) 查询图书名称(BookName)含有“程序”的图书信息。SQL语句: SELECT BookCode,BookName,Author,Price,Discount FROM Book WHERE Name=“%程序%”
BookStore数据库中有图书表 Book(BookCode, BookName, Author, PublisherCode, PublishTime,BookSort, ISBN, BookPicture, ContentInro, Price, Discount) 查询图书名称(BookName)含有“程序”的图书信息。SQL语句: SELECT BookCode,BookName,Author,Price,Discount FROM Book WHERE Name=“%程序%”
BookStore数据库中有销售明细表OrderDetail(OrderCode, BookCode, Amount) 在OrderDetail表中添加一条记录:“08110801”、0701、3。SQL语句:________ 。
BookStore数据库中有销售明细表OrderDetail(OrderCode, BookCode, Amount) 在OrderDetail表中添加一条记录:“08110801”、0701、3。SQL语句:________ 。
查询图书名称含有“程序”的图书信息。语句如下:SELECT BookCode, BookName, Author, Price, DiscountFROM BookWHERE BookName LIKE ________
查询图书名称含有“程序”的图书信息。语句如下:SELECT BookCode, BookName, Author, Price, DiscountFROM BookWHERE BookName LIKE ________
BookStore数据库中有图书表Book(BookCode,BookName,Author,PublisherCode,PublishTime,BookSort,ISBN,BookPicture,ContentInro,Price,Discount),其中PublishTime是datetime类型。 A: DISTINCT B: ONLY C: ONE D: PERCENT
BookStore数据库中有图书表Book(BookCode,BookName,Author,PublisherCode,PublishTime,BookSort,ISBN,BookPicture,ContentInro,Price,Discount),其中PublishTime是datetime类型。 A: DISTINCT B: ONLY C: ONE D: PERCENT
BookStore数据库中有图书表Book(BookCode, BookName, Author, PublisherCode, PublishTime,BookSort, ISBN, BookPicture, ContentInro, Price, Discount),其中 PublishTime是datetime类型。 显示图书的最高价、最低价、平均价、最高价与最低价之间的差值。SQL语句
BookStore数据库中有图书表Book(BookCode, BookName, Author, PublisherCode, PublishTime,BookSort, ISBN, BookPicture, ContentInro, Price, Discount),其中 PublishTime是datetime类型。 显示图书的最高价、最低价、平均价、最高价与最低价之间的差值。SQL语句
BookStore数据库中有图书表Book(BookCode,BookName,Author,PublisherCode,PublishTime,PublishTime是datetime类型。查询Book表中的图书类别(BookSort),要求每个类别只显示一次。SQL语句:SELECT()BookSortFROMBook A: DISTINCT B: ONLY C: ONE D: PERCENT
BookStore数据库中有图书表Book(BookCode,BookName,Author,PublisherCode,PublishTime,PublishTime是datetime类型。查询Book表中的图书类别(BookSort),要求每个类别只显示一次。SQL语句:SELECT()BookSortFROMBook A: DISTINCT B: ONLY C: ONE D: PERCENT