Follow the procedure below to define a database using pgAdmin.
In the pgAdmin window, right-click [Databases] in the [Browser] pane, and then click [Create] >> [Database...] to display a [Create - Database] window.
Specify appropriate values for the following items in the [Create - Database] window.
[General] tab
[Database]: Name of the database to be managed
Click [Save] to create the database.