Replace the Connection URL to point to the Postgres server you want to run DQ Jobs against. In this example, jdbc:postgresql://localhost:5432/postgres
Also change Driver Location to the JDBC Driver for Postgres in your installation. Click on the folder icon and click on Postgres driver path. These Driver Directories are default JDBC Drivers provided by DQ installation (usually in $OWL_BASE/owl/drivers/*)
Fig 5: Add new driver or select existing from Driver Directories
Fig 6 is what the new connection setting should look like. Make sure to provide the correct Postgres Username and Password (if using Username/Password for authentication). Press Save to continue. This action will attempt to establish a connection.
Fig 6: Connection settings to connect to database named "postgres" in Postgres server "localhost" exposed via port 5432