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。 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 _________ BookSort FROM Book
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。 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 _________ 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..._ BookSort FROM Book
查询2009年出版的少儿类图书,要求显示图书名称(BookN...2009 AND BookSort=少儿
查询2009年出版的少儿类图书,要求显示图书名称(BookN...2009 AND BookSort=少儿
将Book表中的所有“外语”类图书的价格降低10%,并将折扣....8WHERE BookSort =外语
将Book表中的所有“外语”类图书的价格降低10%,并将折扣....8WHERE BookSort =外语
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。 将Book表中的所有“外语”类图书的价格降低10%,并将折扣均设为8折。SQL语句: UPDATE Book SET ________ Where BookSort ='外语'。
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。 将Book表中的所有“外语”类图书的价格降低10%,并将折扣均设为8折。SQL语句: UPDATE Book SET ________ Where BookSort ='外语'。
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,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
BookStore数据库中有图书表 Book(BookCode, BookName, Author, PublisherCode, PublishTime,BookSort, ISBN, BookPicture, ContentInro, Price, Discount) 查询作者名长度大于等于8的图书信息,显示书名(BookName)及作者(Author)。SQL语句: SELECT BookName, Author FROM Book WHERE Lenth(Author)= 8
BookStore数据库中有图书表 Book(BookCode, BookName, Author, PublisherCode, PublishTime,BookSort, ISBN, BookPicture, ContentInro, Price, Discount) 查询作者名长度大于等于8的图书信息,显示书名(BookName)及作者(Author)。SQL语句: SELECT BookName, Author FROM Book WHERE Lenth(Author)= 8