secondary index信息详情

secondary index发音

意思翻译

[图情][计]辅助索引

次索引

相似词语短语

secondary───n.副手;代理人;adj.第二的;中等的;次要的;中级的

secondary consumer───次级消费者

index───vi.做索引;vt.指出;编入索引中;n.指标;指数;索引;指针

secondary education───中等教育

secondary color───次生色;n.合成色,间色;二次色

secondary school───n.中学;中等学校

secondary products───次级产品;副产品

secondary consideration───次要考虑

secondary succession───[植]次级演替;次生演替系列

双语使用场景

If you add a PATH secondary index, you may also improve the search performance in such queries.───如果添加PATH辅助索引,则您还可以改善此类查询的搜索性能。

Type columns, a PATH secondary index may be able to speed up the search.───类型列指定路径表达式,则PATH辅助索引可以提高搜索的速度。

impact of a data-partitioned secondary index (DPSI) structure on ORDER BY sort avoidance.───一个分区数据二级索引(data - partitioned secondary index, DPSI)结构对ORDER BY排序规避的影响。

secondary index in a pair of indexes used to locate a particular file record.───用来查找特定文件记录的一对索引中的第二级索引。

We keep only a compound primary key and a secondary index for each row, and answer all queries from a single index.───我们只保留了一个组合主键和一个辅助索引来完成所有的查询。

To understand how a secondary index is used, consider what occurs when a user changes the way messages are presented in a messaging folder.───若要了解如何使用辅助索引,请考虑当用户更改邮件在邮件文件夹中的显示方式时所发生的操作。

When a secondary index is to be created or dropped, the table will be locked in shared mode.───当非聚集索引被创建或删除,此表被加上共享锁。

If a tagged column is represented in a secondary index, each distinct occurrence of the column is referenced by the index.───如果在辅助索引中表示一个标记列,则该列每次不同的出现均会通过索引来引用。

英语使用场景