Basic Settings Checkbox Property : Use or register a shared DB Connection
1) Can give the static name or a value thru Context variable.
Static name should be in double quotes.
2)In the first tPostgresql Connection, give a static name after providing all connection details in the corresponding properties.
3)From the second tPostgresql connection, you don't have to mention any connection details, except the Use or register a shared DB connection, by giving the same static name which you have given in the first tPostgresql Connection.