I'm curently installing my Wordpress website in local. I've created a database called 'wordpress'. But during installation, an error say 'Impossible to select db'. BUT, the database exists into my phpmyadmin interface.

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The current username has all privileges and the hostname is set to 'localhost' (not %).

I really don't understand ? Wordpress say to me that it successfully connected but can't retrieve the db. My current user doesn't have password.

Any ideas ?