Most developers occasionally need to build an application that makes simple updates to a database table.
很多开发人员会需要构建一个应用程序对数据库表进行简单更新。
The following steps will illustrate how to build a simple multi-fact model that incorporates a manually created time dimension based on a time dimension table found in the underlying database.
下面的步骤将介绍如何创建一个简单的多事实模型，其中包括一个基于底层数据库的时间维度表手动创建的时间维度。
By the end of this project, you'll have an abstract model of your system, SQL code to build the database, and PHP wrappers for each table.
在结束项目时，您将拥有系统的抽象模型、构建数据库的SQL代码和用于每个表的PHP包装器。
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