Then you need to connect to the 9.1.3 DB with the 9.1.3 port and the 8.3.5 DB with the 8.3.5 port:psql -p 5432 -l would show 8.3.5 databasespsql -p 5433 -l would show 9.1.3 databases
pgsql-general by date:
Соглашаюсь с условиями обработки персональных данных