Second, we will store and then delete some simple values and data structures directly under keys at the database root.

第二，我们将直接在位于数据库根的键下面存储然后删除一些简单的值和数据结构。

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The user is allowed to select certain appointments and delete them from the record store.

用户被允许从记录存储中选择某种约会以及将它们从记录存储中删除。

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Listing 22 shows how to delete from the internal private store.

清单22展示了如何从内部私有存储器删除数据。

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