PostgreSQL Database
The PostgreSQL Database Source reads data from a PostgreSQL database.
Connection
Specifies the connection string to be used to connect to the database.
For details about PostgreSQL database connection strings see http://www.connectionstrings.com/postgre-sql#p52.
Choose a previously used connection
Click on the connection Drop Down to choose a connection previously used.
Create a new Connection
Click on the "New Connection" Button to create a new connection.