How can I create dates/times and compare them in SQL?

Posted by William on Stack Overflow See other posts from Stack Overflow or by William
Published on 2010-03-11T21:06:53Z Indexed on 2010/03/11 21:09 UTC
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sql

I'm trying to create a BBS using PHP and SQL, and I want to make it so the topic with the most current post is on top of the topic list. what is a easy way to check if one date and time is more current than another?

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