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Message Posted: Thu, 11 Aug 2005 @ 18:16:21 GMT


     
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Subj:   Finding the earliest combination of separate DATE and TIME fields
 
From:   Simon Bloomer

Hi all

I was wondering what would be the easiest method of finding the earliest combination of separate DATE and TIME fields. Currently I am using the following but surely there must be a more elegant way? Essentially what this is doing is subtracting some known date (in this case 2000/01/01) from the date in question and converting the result into seconds

     SELECT

     MIN ((startdate - date '2000-01-01') * 86400 +
     substr(starttime,1,2)*3600 + substr(starttime,4,2)*60  +
     substr(starttime,6,2))

     FROM

     IndividualActivity

Thanks

Simon



     
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