The B-Tree Scanner automatically determines which index items are to be deleted.

B - Tree Scanner自动判断哪些索引项应该删除。

youdao

Building bitmap join indexes of dimension tables and fact tables directly may bring a large number of useless index items that affect query efficiency.

直接建立维度表与事实表的位图连接索引会产生大量无用的索引项，影响查询效率。

youdao

Methods Such research methods as information retrieval, cluster analysis, and Delphi expert consultation were used to select index items of medium developed health level.

方法采用文献检索、聚类分析、德尔菲专家咨询等研究方法，遴选中等发达卫生水平指标项目。

youdao

The index for all items excluding food and energy, or core CPI, showed an increase of 0.2%.

FORBES: Magazine Article

Indeed, in euro terms the all-items index has fallen (see chart).

ECONOMIST: The prices of most raw materials have been surging

The Economist all-items commodity price index has risen by 21% in dollar terms since January 2002, its fastest rate of growth since 1994.

ECONOMIST: The prices of most raw materials have been surging