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Usage of InfoCube Aggregates

Hi experts,

my question is, how does query use aggregates created over InfoCube?

Does it do it automatically? Does it choose the most suitable aggregate based on drill down in query?

Thanks

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  • Best Answer
    author's profile photo Former Member
    Former Member
    Posted on Dec 03, 2013 at 02:37 PM

    Hi Mijodrag,

    Aggregates is a part of a data in a Cube which will be saved separately, so it will help to reduce data volume which query need to read. Hence it helps to improve query performance.

    Query first check for cache then goes to aggregates and then goes to Cube data, this is automatic process.

    You can load aggregates in Process chain, so it can be automated.

    Regards,

    Ganesh

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  • Posted on Dec 03, 2013 at 02:37 PM

    Hi,

    Query execution process will check 3 areas to retrieve the data.

    1. OLAP Cache

    2.Aggregates

    3. Info cube.

    If you olap cache was off and created aggregates then query executing will hit your aggregates fetch the data if available other wise will hit the info cube.

    You can check at RSRT, use Debug+ Execute.

    Thanks

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    • Former Member Mijodrag Klačar

      Hi Mijo,

      I hope you haven't created two aggregates containing identical characteristics. It will be of no use.

      There will be multiple query created on cube and each query have different set of fields. So We create aggregates by looking at frequent query used for that cube and fields used in the query.

      Regards,

      Vishal

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