Can two different sites running on same host, share same database for storage and retrieval?

I am building a personal site, for a blog I wish to use WordPress and for a wiki i will use wikia. Is it possible that i use the same database for storing articles from both frontends (WordPress and wiki). If yes can i some how populate articles from my wiki to the blog, under a specific category.

EDIT-- By two different sites I mean two different frontends, hosted at different subdomains.

Solution

The short answer is YES.

However, you will need to watch out for database object naming conflicts.

Also, when you say 'two different sites' do you mean 2 different sites? Or just different 'frontends' within the same site? If it just different front apps running in the same website, then you will also have to make sure you won't have any configuration conflicts.

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