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Message Posted: Thu, 07 Feb 2008 @ 09:25:24 GMT

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Subj:   Re: How to code a join or restructure table?
From:   Dieter Noeth

Michael Larkins wrote:

          > select rateid,
          >         name,
          >         rate
          >  from rates
          > qualify .1653 between amount and
          >      max(amount) over(partition by name
          >                              order by amount
          >                               rows between 0 preceding
          >                                        and 1 following)

Try .1599 :-)

     SELECT *
     FROM rates
     WHERE amount < .1653
        RANK() OVER (PARTITION BY name
                     ORDER BY amount DESC) = 1

I do it all the time to find the "current" row for any given date.


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