Mondrian is an OLAP (online analytical processing) database written in Java. It implements the MDX language, and later, the JOLAP specification. It reads from SQL and other data sources, and aggregates data in a memory cache.
Mondrian是用Java写成的一个OLAP(在线分析性处理)数据库。它用MDX语言实现,然后是JOLAP标准。它从SQL和其他数据来源读取数据,并把数据加入到一个记忆缓存中。