词汇 |
ROLAP |
释义 |
ROLAP 基本例句 n.关系联机分析处理技术¹⁰⁰ MOLAP profile is the core, orROLAPdata model design.概要文件是MOLAP的核心,相当于ROLAP的数据模型设计。 However,ROLAPcubes lack the built-in indexing of a MOLAP implementation.但是ROLAP缺少了用MOLAP实现时所具有的内在索引功能。 OLAP is a kind of data analysis technology, including MD-OLAP andROLAP.联机分析处理是一种数据分析技术,它可分为基于关系数据库OLAP和基于多维数据库的。 Figure in the left isROLAP, MOLAP is the right way, the two corresponding with a three-dimensional model.图中左边是ROLAP方式,右边是MOLAP方式,两者对应的是同一个三维模型。 Accordingly,ROLAPsolution, the combination of OLAP and relation database, will certainly develop rapidly in the future.因此,OLAP与关系数据库相结合而形成的ROLAP解决方案必将具有广阔的发展前景。 ROLAPinvolves in complex extempore query on a mass of data.These queries include multi-table join and aggregation operation from SQL's point of view.摘要在ROLAP中往往涉及到大量数据的复杂即席查询,从SQL角度看,这些查询通常都包含多表连接和分组聚集操作。 |
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