Support » Installing WordPress » how to install on shared MySql database

  • Hi everyone,

    I am quite new to wordpress. I have installed it before, but with a one click install process offered by my host.

    Now I have to install WP on another host that doesn’t have a 1 click install facility. Also the problem is that i will have to use an existing database (not specifically created for this wordpress installation). Is it possible to install wordpress in this situation? Do I risk to mess up the existing database informations?

    Any advice?


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  • Jeremy Clark



    Your other database should be fine since wordpress creates all it’s tables with the wp- prefix by default and you can even change that to something completely off the wall in your wp-config file. Just look through your existing database and look for any tables beginning with wp- ( I highly doubt there is any)


    There are many information in support and other sites about installing WP into existing database without creating new one for it. And it is quite easy – all one has to do is to correctly edit wp-config.php file.

    But what about if my (anyone else) host does not allow of creating new users? Neither to giving them access to database(s)?

    I’m stuck with something like that. I can’t create neither new database nor new user in my phpMyAdmin so I entered into wp-config all my current information (host, existing database and existing user login and password) I use to login to MySQL. And it unfortunatelly does not work. I see standard “Error” message saying that installation script can’t login to database and I fear that here is the point where my journey with WordPress ends. Before it actually has even started! 🙁

    I’ve spent hours digging througs support, guide, forums and found nothing for such…

    Any tip or idea what to do in such situation?

    Best regards,

    from what you describe you did it correctly. Does your user have full privileges? I assure you wordpress can be installed to a database that already exists with a user that already exists as long as the table prefix is different from current tables in database.

    The problem was so stupid, that I’m even ashamed of talking about it! 🙂 I made a typo in password. No all seems to be fine. Except that I can’t force WP to switch to my (Polish) language. But this is off-topic here…

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