清单6展示了更新后的stats . js，它实际执行了扩展所期望的计数操作。

Listing 6 is an updated stats.js that truly does execute the counting operations expected in the extension.

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这显示了有关用于生成建模统计数据的扩展内存大小的具体信息。

This displays details about the size of expanded memory that is used to produce the modeled statistics.

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现在您可以了解如何通过扩展插件为本地数据库的records表提供简单的记录计数器来操作简单的Derby数据库。

Now you can find out how to manipulate a simple Derby database by extending the plug-in to provide a simple records counter for the records table of the local database.

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