Follow these steps to update your mysql database.
 Login to your CPanel
 Click on [ MySQL Databases ]
 Scroll down to the bottom and click on [ phpMyAdmin ]
 PhpMyAdmin will open in new window.
 Now select database from dropdown box in left frame.
 Now click on [ Sql ] tab in right tab.
 Click on [ Browse ] button and select your sql file and click on [ Go ]
It will update your MySQL database.