本文档说明了亚马逊网上书店系统的数据库的设计，用于指导该系统在数据库存储各方面的内容，为系统开发的程序员、系统分析员做为基准文档。-This document explains the Amazon online bookstore database system design, used to guide the system in all aspects of database content, system development for programmers, system analysts as a benchmark document.