On Wed, Mar 10, 2004 at 17:25:49 -0500, Randall Skelton <[EMAIL PROTECTED]> wrote: > > That would be ideal as it is theoretically possible for there to be > missing rows due to sampling errors; nevertheless, a WHERE test doesn't > seem obvious to me. Can you please post an example? The time spacing > between rows is 1 second but I want my select statement to return rows > every 5 seconds (see marked lines below). I've tried various interval > operations but I don't really understand how to relate the timestamp > and and the interval.
You could extract seconds from timestamp, cast to integer and apply the mod function and test against whichever remainder you want. ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]