Online transaction processing (OLTP) is not the same thing as online analytical processing (OLAP), and data access patterns for each technique are quite different.

联机事务处理(OLTP)与联机分析处理(OLAP)并不相同，两种技术所使用的数据访问模式也有很大的区别。

youdao

This provider implements both the OLE DB specification and the specification's extensions for online analytical processing (OLAP) and data mining.

该提供者实现了OLE DB的规范，以及联机分析处理(OLAP)和数据挖掘的扩展规范。

youdao

Online Analytical Processing (OLAP) cache.

在线分析处理(OLAP)缓存。

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In essence, Hadoop replaces the role of OLAP (online analytical processing) in preparing data to answer specific questions.

FORBES: Big Data Requires a Big, New Architecture