Mondrian OLAP server

Mondrian OLAP Server
Developer(s)	Pentaho Corporation
Stable release	3.14.0 / May 17, 2017 (2017-05-17)
Repository	github.com/pentaho/mondrian
Platform	Java
Type	OLAP Server
License	EPL
Website	mondrian.pentaho.com/documentation/index.php

Mondrian is an open source OLAP (online analytical processing) server, written in Java. It supports the MDX (multidimensional expressions) query language, ^[1] as well as 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 a relational OLAP. ^[2]

History

The first public release of Mondrian was on August 9, 2002.^{[ citation needed ]}

It was acquired by Pentaho in 2005, ^[2] and was integrated in Pentaho's Business intelligence software, with several major updates in 2007. ^[3]

See also

• Comparison of OLAP servers

References

1. Zhu, Guangxin; Chen, Haiyang; Xu, Mingjie; Yu, Jun; Ling, Yang; Wang, Lin; Mei, Zhu (2018-12-13). "Research and Implementation of OLAP System Based on Cloud Computing Platform". IOP Conference Series: Materials Science and Engineering. 452: 042126. doi:10.1088/1757-899X/452/4/042126. ISSN   1757-899X.
2. Sendín-Raña, Pablo; González-Castaño, Francisco J.; Pérez-Barros, Enrique; Rodríguez-Hernández, Pedro S.; Gil-Castiñeira, Felipe; Pousada-Carballo, José M. (2009). "Improving the performance and functionality of Mondrian open-source OLAP systems". Software: Practice and Experience. 39 (3): 279–298. doi:10.1002/spe.899. ISSN   1097-024X.
3. "Pentaho revs up Mondrian OLAP". Tech Monitor . 2007-09-05. Retrieved 2025-07-14.

Further reading

• Back, William D.; Goodman, Nicholas; Hyde, Julian (2014). Mondrian in action: open source business analytics. Shelter Island, NY: Manning Publications. ISBN   978-1-61729-098-5.