Do you mean a copy of another Moodle MySQL database?
You would need to tell PHPMyadmin to merge the data into the existing database, and that could be tricky, because parts of the Moodle database contain configuration information for Moodle, and if you accidentally overwrote that, then you new Moodle might fail to work.
What format is your database copy in? A SQL text file?
Sean K
Installing and upgrading help
Can I use my old database.
This discussion has been locked so you can no longer reply to it.