Re: count of occurrences

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От Oliver Elphick
Тема Re: count of occurrences
Дата
Msg-id 200109142028.f8EKSMIn005682@linda.lfix.co.uk
обсуждение исходный текст
Ответ на count of occurences  (adamcrume@hotmail.com (Adam))
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Adam wrote:
  >I help run a job database and have a table of search records.  I want
  >a query that will return the top 10 jobs by search frequency.  I'm
  >familiar with ORDER BY and LIMIT, so I basically need this:
  >
  >Given a table search_records:
  >job_num
  >-------
  >1
  >2
  >2
  >3
  >4
  >4
  >4

SELECT job_num, COUNT(*)
  FROM search_records
  GROUP BY job_num
  ORDER BY COUNT(*) DESC
  LIMIT 10;


--
Oliver Elphick                                Oliver.Elphick@lfix.co.uk
Isle of Wight                              http://www.lfix.co.uk/oliver
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GPG: 1024D/3E1D0C1C: CA12 09E0 E8D5 8870 5839  932A 614D 4C34 3E1D 0C1C
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      that he is a rewarder of them that diligently seek
      him."        Hebrews 11:6



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