Mondrian is an open source

OLAP Online analytical processing, or OLAP (), is an approach to answer multi-dimensional analytical (MDA) queries swiftly in computing. OLAP is part of the broader category of business intelligence, which also encompasses relational databases, repor ...

(online analytical processing) server, written in

Java Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's mos ...

. It supports the MDX (multidimensional expressions) query language and the

XML for Analysis XML for Analysis (XMLA) is an industry standard for data access in analytical systems, such as online analytical processing (OLAP) and data mining. XMLA is based on other industry standards such as XML, SOAP and HTTP. XMLA is maintained by XMLA Cou ...

an
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 History

The first public release of Mondrian was on August 9, 2002.

Mondrian History

See also