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Pentaho Analysis Services: Mondrian Project
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Mondrian is an OLAP server written in Java. It enables
you to interactively analyze very large datasets stored in SQL databases without writing SQL. |
Mondrian 3.0 is now available
Mondrian 3.0 includes olap4j 0.9.6 along with significant improvements to security and additional function support. Highlights of this release include:
- olap4j API — an Open Java API for OLAP
- Rollup policy enhancements
- Aggregate role support
- Support for aggregation of distinct-count measures
- Improved dimension sharing
- Over 50 new scalar functions
- JNDI support
For more information, please see the release notes or download it today.
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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 of Multi-Dimensional eXpression (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
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