a) Login to cpanel of your website
b) Search for phpmyadmin icon under databases menu
c) Click on it , it should open the phpmyadmin window
d) At your left hand side you should see the list of existing databases
e) If you click on any database , on your right hand side pane it should show you all the tables
f) On the top you should see the tools such as query , import , export which can be used accordingly