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Former Member

New CUBE Dimension

Posted on Mar 03, 2005 at 08:38 AM 4 Views

Hi,

We now have a live CUBE. It has now live data and daily <b>DELTA</b> updates are already scheduled on it.

However, it is now late that we discovered we need an additional dimension to be added to the <b>CUBE</b>. The data source is able to provide the values for the cube so theres no problem where to get the data.

Now the question is how could I add the new dimension to the <b>LIVE</b> cube w/o having to reload data again from scratch.

Please advice...

--Jkyle

BW (SAP Business Warehouse)
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1 Answer

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    Former Member
    Posted on Mar 03, 2005 at 09:05 AM

    Hi Jkyle,

    you can always add a new dimension to a cube a long as there is a free one. But all records already posted to the cube will stay without any information coming from that dimension. If you need to fill the dimension also for the history I think there is no way except the reload from the source system.

    In case you still have all request available in BW you might be able to load from PSA, step by step and after successful reload of a request you can delete the corresponding original request from the cube.

    regards

    Siggi

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    • Former Member Former Member
      Mar 03, 2005 at 01:02 PM

      Daniel -

      If the purpose was just to modify the cube, this would work, whether you export to an ODS or another cube, but think this still leaves unanswered the issue of getting the historical data for the new dimension/characteristics.

      If the original data had first been loaded to an ODS and then the cube, exporting to a temp ODS as you suggest might be a way to go if you then created an infoset to join the temp ODS and the original ODS to get the missing data.

      Couple of approaches, largely dependent on how much time reloading the cube from PSA, or ODS, or R3 might take, hours vs days, and impact to users of the cube not being available.