除了比较同一个项目中的对象外，还可以选择将数据模型与一个数据库或ddl脚本进行比较。

Besides comparing between objects in the same project, you can choose to compare the data model against a database or DDL script.

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将该打包模型与纯j 2ee模型进行比较和对比，在其中描述关键变量并列出解决方案的汇编程序具有的可能选择。

This packaging model is compared and contrasted to the pure J2EE model, where key variations are described and possible choices that assemblers of solutions might have are outlined.

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为了查看与以前模型相进行的比较，您可以右击History构件，并选择Compare with Previous选项。

To view the comparison with previous models, right-click on the History comments, and select the Compare with previous option.

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