Non-firm states the price and discount without leaving room for negotiation.()
Non-firm states the price and discount without leaving room for negotiation.()
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I steer my ship with hope,________ fear ________ . A. leaving⋯awayB. leaving⋯behindC. leave⋯behindD. leave ⋯away
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'。A．Price=Price*0.9, Discount=0.8B．Price=Price*(1-10%), Discount=0.8C．Price=0.9, Discount=0.8D．Discount=0.8, Price=Price*0.9
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)，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 BookA．DISTINCTB．ONLYC．ONED．PERCENT
【判断题】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%”A．Y.是B．N.否
【判断题】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)= 8A．Y.是B．N.否
7、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'。A．Price=Price*0.9, Discount=0.8B．Price=Price*(1-10%), Discount=0.8C．Price=0.9, Discount=0.8D．Discount=0.8, Price=Price*0.9