一个分区数据二级索引(data - partitioned secondary index,DPSI)结构对ORDERBY排序规避的影响。

The impact of a data-partitioned secondary index (DPSI) structure on ORDER BY sort avoidance.

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规定了数字地图分区存放的数据结构。

Data frame was designed to store digital map data.

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规定了数字地图分区存放的数据结构。

Data frame was designed to store digital map data.

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