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Which free OLAP systems are available? [on hold]

Currently I'm using MySQL as my dbms. However we aggregate a lot of data because else the databases are growing to large to do fast queries. This means we lose a lot of valuable info, so I want to ...
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MS Analysis Services + IIS - configuration/connection issue

(I am not a professional windows server admin and its my first time dabbling with analysis services.) I am trying to get the Analysis Services up and running such that I can fire MDX queries via ...
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Building a Data Warehouse

I've seen tutorials articles and posts on how to build datawarehouses with star and snowflakes schemas, denormalization of OLTP databases fact and dimension tables and so on. Also seen comments ...