What is the best way to store a timestamp if all I need to do is
select rows where this timestamp is less than 60 minutes prior to the
current time?

If I have a column called date with data type timestamp without time
zone I know I can use

  SELECT * FROM table WHERE date < (now()::DATE - 7)::TIMESTAMP;

to select rows where date is older than seven days.  I'm not quite
sure how to interpret now()::DATE::TIMESTAMP since I'm not able to
answer my own question.  I've tried things like:

  SELECT * FROM table WHERE date < now()::DATE::(TIMESTAMP - 60);

but this gives a syntax error.

Thanks.

-- 
Brandon

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