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I am a user on Stack Overflow, and I think every page that shows questions, display all tags and the questions. Are the tags saved in a tags table or are they included together with the questions table?

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marked as duplicate by Patrick Hofman discussion Jun 25 at 16:53

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up vote 1 down vote accepted

See Database schema documentation for the public data dump and SEDE

The Posts table has a tags field. But there is also a separate PostTags table with PostId/TagId pairs, probably for faster searches.

The Tags table just contains the tag name, id and the total count of tags.

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