JAN 25, 2011 12:26pm ET

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When ROLAP is Not a ROLAP


I get many inquiries on the differences and pros and cons of MOLAP vs. ROLAP architectures for analytics and BI.

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Comments (4)
Hi Boris,

A very interesting area of investigation. When you are looking at Teradata, make sure you consider TBIO (Teradata Business Intelligence Optimizer). We have a case study on our website at: www.simba.com/docs/Teradata-Case-Study.pdf. If you have more questions, would love to chat.

Best wishes, Amyn

Posted by Amyn R | Wednesday, January 26 2011 at 2:16PM ET
Hi Brian

Your observations are spot on.

You may consider adding "Operational scheme support" if the OLAP tool is supposed to be able to work directly on top of ERP systems. This is an obvious use of a ROLAP tool. ERP systems often contain special design details such as partitioned tables (logical and physical), compound keys, enumerated types (identifiers without descriptions in the database; the texts only exits in the application) etc.

Acinta Intelligence Technology (acinta.dk) develops a ROLAP tool with exactly the above specifications, except perhaps that we have downplayed "multi-source support" (you call it "heterogenous joins"), which was not in high demand.

I look forward to see your final document. Feel free to contact me for more information/input to your document.


Cheers, Nikolaj Henrichsen

Posted by Nikolaj H | Wednesday, January 26 2011 at 4:55PM ET
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