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https://issues.apache.org/jira/browse/OFBIZ-641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12470979
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Chris Howe commented on OFBIZ-641:
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You'll like this then...

Mondrian is used predominately as a "ROLAP", where it's taking a star schema 
from disk and represents a OLAP schema in cache :-) .  Thus, benefiting as much 
as it can from the great performance gains of an OLAP, while keeping the 
simplicity of a RDBMS

http://mondrian.pentaho.org/documentation/aggregate_tables.php#Introduction

There would certainly be some values that we would want to denormalize, so the 
org.ofbiz.database and supporting  services would be needed as well.  Most of 
the creation of the simple/complex/undefined reports are done by creating 
elaborate cube definitions so that you're not having to be omniscient on what 
future reports are needed.

> Integrate Mondrian OLAP
> -----------------------
>
>                 Key: OFBIZ-641
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-641
>             Project: OFBiz (The Open for Business Project)
>          Issue Type: New Feature
>            Reporter: Chris Howe
>            Priority: Minor
>
> I'm currently working on integrating Mondrian OLAP using services and 
> simple-methods.  I plan on doing this in a simliar manner that the Trixbox 
> (Asterisk) issue was done.  I'm creating this issue now instead of when I 
> have something to add for collaboration reasons and so that I can play with 
> Mylar around this.

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