For the purposes of this article, the database management system is collocated with the application server.
出于本文目的，数据库管理系统与应用服务器并置。
Spreadsheets should never be used to store system configuration management information, but that discussion will be left for another article.
电子表格不应该用来存储系统配置管理信息，但是这个问题留到另一篇文章中讨论。
For the purpose of this article, the application example we will look at is a stock inventory management system that sends queries to determine the quantity of an item that is in stock in a warehouse.
考虑到本文的目的，我们将看到的应用程序示例是一个库存管理系统，它将发送查询以确定仓库中某种产品的存货数量。
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