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author's profile photo Former Member
Former Member

What does Compression do with Cube Contents?

Hi,

I have been wondering what does the Compression process do to the Cube's content? Are they literally compressed like WinZip operation?

What is the difference between a Compression with "No Marker Update Check box" checked and unchecked? Will they make a diffenrec in the reporting information? Will it affect my keyfigures?

Thanks in advance...

--Jkyle

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2 Answers

  • author's profile photo Former Member
    Former Member
    Posted on Feb 01, 2005 at 03:52 AM

    Compressing data in a cube will have to be specifed with a request id. The system will then aggregate the data after removing the request id. this aggregated data is then moved to the 'E' table from 'F' fact table.

    What you get finally should be lesser volume of data records and the reporting should hence be faster...

    Marker update is specified when you use non cumulative key figures in the cube. there is a how to document on inventory mgmt scenarios that should explain it in detail...

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  • author's profile photo Former Member
    Former Member
    Posted on Feb 01, 2005 at 03:53 AM

    Compressing data in a cube will have to be specifed with a request id. The system will then aggregate the data until this request after removing the request id. this aggregated data is then moved to the 'E' table from 'F' fact table.

    What you get finally should be lesser volume of data records and the reporting should hence be faster...

    Marker update is specified when you use non cumulative key figures in the cube. there is a how to document on inventory mgmt scenarios that should explain it in detail...

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    • Former Member

      Hi Elangovan,

      Its a clearer now that I begin reading similar topics from this forum.

      I still need further info on this Marker Update thing. By default, compression has a marker update on it. Could you further explain it with a sample scenario.

      Thanks a lot...

      --Jkyle

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