Wordpress and Database

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The complex database behind a simple blogging site

This week, we talked about reintroducing wordpress in lecture and the reading was about blog software and engine.

I found this picture on flickr and thought it is very interesting as it shows how one category is linked to another. For example, this picture shows the relationship between users and posts. Users need to create a post before other users can comment on it. I know this is rather obvious but I am thinking why is this so? What if other users might just want to interact with the blogger and it is not about a particular blog post? Is wordpress restricting what framing what users should be commenting on? From the looks of it, I would think so.

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