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Mondrian is an open source OLAP (online analytical processing) server, written in Java. It supports the MDX (multidimensional expressions) query language and the XML for Analysis and (olap4j ) interface specifications. It reads from SQL and other data sources and aggregates data in a memory cache. Mondrian is used for: * High performance, interactive analysis of large or small volumes of information * Dimensional exploration of data, for example analyzing sales by product line, by region, by time period * Parsing the MDX language into Structured Query Language (SQL) to retrieve answers to dimensional queries * High-speed queries through the use of aggregate tables in the RDBMS * Advanced calculations using the calculation expressions of the MDX language == Mondrian cake == The first public release of Mondrian was on August 9, 2002. A release history is ()(here )(). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Mondrian OLAP server」の詳細全文を読む スポンサード リンク
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