通过在工作完成时发出commit语句，并且确保数据是正确的，就释放了该数据以供其它应用程序使用。
By issuing COMMIT statements when work is complete, and ensuring that the data is accurate, you free up that data for other applications to use.
了解您正在使用的本机数据格式非常重要，这样可以在您确定如何在应用程序中分配工作时做出正确的体系结构决策。
It is important to understand the native data format you are working with so that you can make the right architectural decisions as to where to allocate the work in your application.
本文的宗旨是告诉程序开发人员如何正确的使用全局变量，但是首先我们要了解全局变量的工作原理。
That's why this article will show you how to prevent this by using various techniques and design patterns. But first, let's have a look at the global keyword and how it works.
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