Update of a big cube - which is more effective

Hello

If I have the choice between having a file in this structure

Dimension1, Dimension2 Dimension3, Dimension4, Dimension5, Dimension6, Dimension7, given

Or

Dimension1, Dimension2 Dimension3, Dimension4, Dimension5, Dimension6, Measure.Member, Measure.Member, Measure.Member

Which is more efficient for loading a large database in a progressive manner?

Thanks for your input, 11.1.2.2 version if that makes a difference.

Robert.

Is it OSB?

Assuming Dimension7 is dense, I'd go with the latter on the performance criteria purely because it results in a smaller file.  If you use a header record that you might want to keep in mind that the first is more flexible (in what new measures or renamed can be handled without changing the format of the file and / or rule).

Much more important is to make sure that you touch a block that once (which can be obtained by sorting the files by the sparse dimensions).

If it comes to ASO, Dan Pressman presented to the Kscope13 which concerned more efficient file formats for loading in every detail.

EDIT: in fact, presentation of Dan has addressed both ASO and BSO. I hope that you can see (I don't know if they are still available for non participants).  It's here: http://www.odtug.com/p/do/sd/sid=2829&type=0

Tags: Business Intelligence

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