I highly suggest using the plugin, Duplicator, for easy migration from one WordPress database to another. I've done a test run on two dummy sites, one of which has all the settings, theme files, and content that I'll be moving to the live site, and it works very well.
Duplicator - http://wordpress.org/plugins/duplicator/
A good tutorial to help you through the process - http://optimwise.com/copy-migrate-wordpress-sites-with-the-duplicator-plugin/