| Find all airlines that have at least one flight out of AXX airport. Report the full name and the abbreviation of each airline | |
| Find all destinations served from the AXX airport by Northwest. Re- port flight number, airport code and the full name of the airport. | |
| Find all airports served by ALL five of the airlines listed below: Delta, Frontier, USAir, UAL and Southwest. Report just the airport codes. | |
| Find all airports that are served by at least three Southwest flights. Report just the three-letter codes of the airports | |
| Find the number of airports from which airport ANP can be reached with exactly one transfer. | |
| Find the number of airports from which airport ATE can be reached with at most one transfer. (make sure to exclude ATE itself from the count). Report just the number. | |
| Find all airports with exactly 17 outgoing flights. Report airport code and the full name of the airport | |
| For each room report the total revenue for all stays and the average revenue per stay generated by stays in the room that originated in the months of September | |