另一个方法可能需要较多的操作，但是允许利用潜在的(“虚拟的”)索引查看访问计划。

Another option, which takes a little more effort, but allows viewing the access plan utilizing potential (" virtual ") indexes, is to use the following approach.

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磁盘访问率和配置影响数据库、视图打开和集合导航(查看索引)的速度。

Disk access rates and configurations affect the speed of database and view opening and of opening and navigating a collection (view index).

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为检查在查询时是否真正使用了一个空间网格索引，应该查看一下访问计划。

To check if a spatial grid index is actually exploited during query time, you should have a look at the access plan.

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