phpPgAdmin is a web based database administration tool specifically for managing MySQL databases. Once you click on the phpPgAdmin link on the cPanel dashboard, phpPgAdmin will automatically load in a new window. First you will need to login to the PostgreSQL server by clicking on the PostgreSQL link under the "Servers" section on the left menu. Then click on the Login button. Once you have logged in successfully, select the database you want to manage by expanding the "PostgreSQL" link under the "Servers" list on the left side menu. Your database will appear. Click on the database name. Then you can begin using all the functions and features phpMyAdmin has to offer in this advanced, yet easy to use web based database administration tool.
To learn how to use all of the phpPgAdmin features available, visit http://phppgadmin.sourceforge.net/.