说明：  在SQL Server2008下开发的图书销售管理系统，是一个典型的进、销、存数据库系统。功能类似一个书店，库存不足提醒进货，书籍分类、卖书、图书分类等
(In SQL Server2008 developed under the book sales management system, is a typical, sales, keep the database system. Function similar to a bookstore, inadequate stock alert purchase, books classification, booksellers, book classification)