Mondrian is an open source OLAP server and is one of the main components of the Pentaho Business Intelligence platform.
Mondrian is a connector usually between a java-based OLAP frontend and a relational database (it works as a JDBC connector for OLAP, generates SQL queries to the database and processes the result data).

Basic installation and configuration of Mondrian

There are a few steps to follow in order to install the Mondrian server with standard configuration and attachments provided with the application: