在现代数据中心环境中，作业假脱机程序的用途更广泛。
In the modern data center environment, the need for a job spooler is greater than ever.
类似“批作业”的应用程序初始化状态并加载要处理的数据。
An application that operates like a "batch job" sets up its initial state and loads the data on which it will operate.
在应用程序层和数据库层中都按原样维护和操作业务数据信息，而且您将第3部分中看到，甚至在客户机层中也是如此。
The business data information is maintained and manipulated intact in both the application and database layers, and as you will see in Part 3, even in the client layer.
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