Re: count of occurrences - Mailing list pgsql-general

From Oliver Elphick
Subject Re: count of occurrences
Date
Msg-id 200109142028.f8EKSMIn005682@linda.lfix.co.uk
Whole thread Raw
In response to count of occurences  (adamcrume@hotmail.com (Adam))
List pgsql-general
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
PGP: 1024R/32B8FAA1: 97 EA 1D 47 72 3F 28 47  6B 7E 39 CC 56 E4 C1 47
GPG: 1024D/3E1D0C1C: CA12 09E0 E8D5 8870 5839  932A 614D 4C34 3E1D 0C1C
                 ========================================
     "But without faith it is impossible to please him; for
      he that cometh to God must believe that he is, and
      that he is a rewarder of them that diligently seek
      him."        Hebrews 11:6



pgsql-general by date:

Previous
From: "Tauren Mills"
Date:
Subject: Problem with database: FATAL 1: cannot find attribute 24 of relation
Next
From: "Jeff Eckermann"
Date:
Subject: Re: need help