Is it worth it creating "categories" for an SO-type site, or are tags the replacement?

Posted by Fedor on Stack Overflow See other posts from Stack Overflow or by Fedor
Published on 2010-03-14T22:49:35Z Indexed on 2010/03/14 22:55 UTC
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database-design

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postgresql

I have a posts table for my reddit-clone site and I'm wondering whether I should make categories per posts or just categorize by tags like SO has it. It seems like tags pretty much are a replacement for categories, but is there something I'm just overlooking?

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