You are to design an ER diagram for a small startup passenger and cargo airline Cobra Airline.
Here's some facts:
Each plane is the same space for 40 passengers (4 rows of 10, labeled rows
1 through 10 and seats A,B,C,D
Each plane has space for 6 cargo containers
A cargo shipper reserves a cargo container by 1/4 lot sizes
Routes are from Miami to New York, New York to LA, LA to Miami
Rates for passengers and cargo can vary by booking date (more expensivethe closer it gets)
Trips can be one-way or round trip
Some trips (cross country) require food, all others require snacks and drinks
Larger items are (sandwiches, drinks) are sold on the flight
Cargo can have specialty handling fees for specific needs
Trips can be modified for a fee
Passengers can be loyalty customers or not
You have several classifications of employees, pilots, airline attendants, mechanics, cleaning crew, support staff, sales, boarding staff, ground crew with appropriate pay scales.
You need to consider the following scenarios:
reservation of passengers on the planes
reservation of cargo space
cancelation of either reservations
Flight times (schedule)
Using the above, and information about possible competitors, design the forms you might need for the above scenarios, write a scenario for each of the above events and more that you need, then create an ER diagram for the database needed to support the airline.
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