I'm aware that WordPress stores all the post content of a multisite in the same database table and I was just wondering how it internally differentiates post content from one blog to the other?
asked Jan 3, 2012 at 15:57
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1 Answer
Posts from one site are not stored in the same table as posts from another site.
Each blog on a multi site gets an ID and that ID is used to generate a separate set of tables for each site in a multisite installation.
So for example site 1 gets:
wp_posts
where as site 2 gets:
wp_1_posts
and so on:
wp_2_posts
