在数据库领域中，全文检索解决了 like '%关键字%' 查询的性能瓶颈问题。传统的关系型数据库使用 like 进行模糊查询时，由于无法利用索引，需要对每行数据进行全表扫描，当数据量达到百万级别时，查询性能急剧下降。而全文检索通过建立倒排索引等机制，实现了亚秒级的检索响应。

Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at ...

The 2024 Corruption Perceptions Index (CPI) shows that corruption is a dangerous problem in every part of the world, but change for the better is happening in many countries. Research also reveals ...

TIOBE Index for October 2025: Top 10 Most Popular Programming Languages Your email has been sent The October TIOBE Programming Community Index brought a few quiet but meaningful shifts. Python remains ...

The Daily News Sentiment Index is a high frequency measure of economic sentiment based on lexical analysis of economics-related news articles. The index is described in Buckman, Shapiro, Sudhof, and ...

The risk from the exposure was immense, consisting of both personal customer information and sensitive corporate intelligence.

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SINGAPORE: A new index launched by the Ministry of Manpower (MOM) on Tuesday (Oct 14) will allow workers to discover firms that have a good track record of supporting career growth. The Singapore ...