First, include in the index all the columns in the WHERE clause, so that index screening can be used to reject unqualified rows from the result set.

首先，在索引中包括WHERE子句中的所有列，这样，就可以使用索引形成的屏蔽来拒绝结果集中不合格的行。

youdao

The high expression of Angiopoietin-2 and low expression of E-Cadherin maybe be regarded as an index screening liver carcinoma of strongly potential invasion and high frequent metastasis.

血管生成素一2高表达和E一钙粘附蛋白低表达有可能作为筛查高侵袭性、高转移能力的肝癌亚型的指标。

youdao

The two local predicates cannot benefit from matching or screening index scans from any of the existing indexes.

两个本地谓词无法从匹配或筛选现有的索引扫描中获益。

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New screening methods could also enable CRSP to offer investors an index of stocks that rank high in both growth and value.

WSJ: The Intelligent Investor: The New Supercharged Index Funds

At a New York City press conference today, FTSE Group , a leading global index company, and Conflict Securities Advisory Group (CSAG), the preeminent research provider specializing in terror-free investment screening and certification services, announced the launch of the FTSE CSAG Terror-Free Index Series.

CENTERFORSECURITYPOLICY: A breakthrough for terror-free investing