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如何从调用历史数据库中删除调用表数据
原标题:how to delete call table data from call history database

我是 iPhone 应用程序开发中的新人。 我开发了调用历史应用程序。 我从调用历史数据库中检索了调用表格中的所有数据。 现在从调用历史数据库中删除调用表格中的所有数据。 请告诉我如何删除所有数据。 请给我一些示例代码链接 。

提前感谢。

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