Super Grand Total MDX

  • Devendra Thakur

    SSCommitted

    Points: 1762

    Comments posted to this topic are about the item Super Grand Total MDX

  • Stewart "Arturius" Campbell

    SSC Guru

    Points: 71362

    Nice to see a question about MDX, thanks Devendra

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  • diego.perdices

    SSCommitted

    Points: 1701

    Nice question, but the correct answer is wrong. It should be the 4th one as said by the explanation, right?

  • TimCarrett

    Default port

    Points: 1484

    Good question, I haven't done any MDX so interesting to read the link.

    Thanks.

  • Mick Fitz

    SSCrazy

    Points: 2291

    Nice question, but the correct answer is wrong. It should be the 4th one as said by the explanation, right?

  • funbi

    SSCarpal Tunnel

    Points: 4992

    Also got it "wrong" even though the explanation given points to answer 4...

  • PB_BI

    SSCoach

    Points: 16981

    The fourth option is the correct answer.
    This: "Super grand total of all the measures for all the dimension at all level"
    makes absolutely no sense since not only can measures have different formats they can have different methods of calculation (last non empty, average of children, distinct count etc.). This query will always result in either the default measure or (if it's not defined) the first measure defined in the XMLA of the cube aggregated over the All member of each dimension which is irrelevant in this case but worth mentioning for completeness.

    Additionally, I have never seen the term "Super grand total" used in any SSAS documentation. A quick google search reveals this question as the only full hit. Is this a term you have made up? If not, can you cite your source?


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  • Tom_Hogan

    Hall of Fame

    Points: 3454

    Correct answer should be 4.  

    I took a quick look and was surprised the official documentation doesn't make it clear that if you specify no measures in the MDX, you get the default measure.  I saw a lot of posts about determining which measure is the default but not its behavior.

  • RonKyle

    SSC-Dedicated

    Points: 31457

    I join the chorus in that the answer is 4.  It's one of the reasons that you specifically set a default measure or else you might get the super sum of any measure.  The link does not specify otherwise and it's not an official source in any case.  Looking for a review and further explanation if the original answer is upheld.

  • Thomas LeBlanc

    SSCertifiable

    Points: 7750

    Yes, it is #4. It is the sum o the default measure.

    Thomas LeBlanc, MVP Data Platform Consultant

  • Rune Bivrin

    SSCertifiable

    Points: 7555

    Just pitching in for #4 to get a point.


    Just because you're right doesn't mean everybody else is wrong.

  • RonKyle

    SSC-Dedicated

    Points: 31457

    It's been a whole day and there's been no comment from the author of the question about all the comments that say it's number 4, and if it will be corrected or why we are all wrong.  Had I written a question I would be watching the feedback pretty closely.  Just saying....

  • Revenant

    SSC-Forever

    Points: 42467

    If 4 is correct, less than 30 percent of respondents got it right.

  • HappyGeek

    SSCoach

    Points: 18662

    I thought I had it right! Let the adjudicator decide (did I spell that right?). Either way a good question?

    ...

  • RonKyle

    SSC-Dedicated

    Points: 31457

    If 4 is correct, less than 30 percent of respondents got it right.

    That in itself doesn't say much.  What were the other percentages?  I can't seem to find a way back there.

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