Re: Delete rows within a given time interval
SQL is a very limited computer language, most row-to-row comparison problems are more efficiently implemented in your app language: suck up the dataset into an array and do the logic there.
If you really want to do it SQL, there are duplicate times per serialnum & serialcode, so you'll need t provide criteria for selecting the row to keep per 30 mins.
Edited 1 time(s). Last edit at 05/17/2018 01:33PM by Peter Brawley.
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Re: Delete rows within a given time interval
May 17, 2018 01:30PM
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