skip index

基本解释

For multiple index push-downs, multi-index scan is used to combine RIDs from different index scans, then skip-scan on the fact table is performed.
对于多索引下推，多索引扫描用于组合来自不同索引扫描的 RID，然后就可以执行对事实表的跳跃式扫描了。
On the basis of the sampling inspecting practice in woollen physical index, the skip—lot sampling plan for continuous lots is designed in this paper.
根据毛织品物理指标检验抽样实际，对连续批抽样检验设计了跳批抽样方案。
Since each index (fragment) has its own UDI counter, the decision to skip or rebuild index statistics is done based on how much the index (fragment) has changed.
由于每个索引（片段）都有自己的 UDI 计数器，因此将根据索引（片段）的修改程度判断是否跳过或是重建索引统计。

And I can obviously do the other direction which is I can say skip to index 2 and all the remaining pieces. This lets me slice out, if you like, the front part or back part or a middle part of the tuple as I go along.
很明显我可以从索引2开始切片,所有剩下的元素，这可以让我2,如果你喜欢我这么说的话,取得元素的前面的或者后面的,或者中间的部分。
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