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DISTINCT or GROUP BY


sphinx9999

Which is best to use when extracting one column, DISTINCT or GROUP BY?  

5 members have voted

  1. 1. Which is best to use when extracting one column, DISTINCT or GROUP BY?

    • Distinct
      1
    • Group by
      1
    • No difference
      3


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Which do you think is better, DISTINCT or GROUP BY?

SELECT DISTINCT id FROM phrase WHERE campaign LIKE 'proper%'

or

SELECT id FROM phrase WHERE campaign LIKE 'proper%' GROUP BY advert_id

I've asked this question before and received the following answer from a reliable source: "When there's just one column it doesn't matter". Do you agree?

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