Database Design

Referencing Styles : Harvard Terra Firma Airlines requires a system to schedule flights and to control passenger reservations. The system must be designed to satisfy the following requirements: 1. The airline has several types of planes of varying passenger capacities and flight ranges. There are one or more airplanes of each type in the airlines fleet. Each airplane has a unique serial number. 2. The airline has pilots, flight attendants as well as other staff. For each member of staff it keeps data about his / her staff number (which is a unique identifier), the staff name, date of birth, home address, and date joined the airline. In addition, previous work experience including company, position, start and finish dates are also recorded. 3. For each staff member, an emergency contact person, including name, postal address, phone, email, and relationship with the staff, must be recorded. 4. Pilots are certified only on certain types of planes. Information on the types of planes certified for each pilot, as well as the date of certification, must be maintained. 5. The airline provides regular training to flight attendants. Records of all trainings received by each flight attendant must be recorded. Such records include the training program name, the start and finish dates, and a brief description about the content. 6. A flight, which is identified by a unique flight number, has an original city, a destination city and possibly one stop-over city. The time of departure from the origination city, time of arrival at the destination city, and the arrival and departure times at the stop-over city must be recorded (For example, flight TF88 departs Brisbane at 10:00, arrives at Sydney at 11:15, departs Sydney at 12:15, and arrives at Perth at 13:40 local time every day). In addition to all of the above information, an actual scheduled flight has a date, an airplane, a captain, a co-pilot and up to 8 flight attendants. The captain and copilot must both be pilots certified for the assigned type of airplane, and we assume that a pilot can work as captain on one scheduled flight, and as co-pilot on another. A scheduled flight is uniquely identified by the combination of a flight number and date. 7. The airline needs an online booking system that people can use to search for available flights and purchase tickets. For each ticket sold, the system must record the ticket number (which is an identifier of the ticket), date purchased, payment type (e.g., credit card, paypal), the flight number, flight date, departure city, arrival city, ticket type (e.g., promotion-fare, flexi-fare, premium-fare), ticket price (for each scheduled flight, the ticket type, departure city, arrival city and purchase date determine the ticket price) as well as details of the passenger: ID type and ID number (a valid ID can be a passport or a drivers license), first name, last name, sex, address, contact phone, and email address. The booking system must ensure that the same passenger is never booked on the same scheduled flight for the same departure or arrival cities more than once. 8. The system must be able to make the following queries: (1) For each airplane (given the serial number), list the type code, type description, capacity and flight range, manufacture date, purchase date, and the next service date. (2) For each pilot (given the staff number), list the pilot name, the type code and description of each of the types of planes on which the pilot is certified. (3) List the flight number, date and airplane serial number for all flights on which the pilot is currently scheduled using the pilot staff number. (4) For each city served, list the city name, the state, and a description of the airport (we assume each city has only one airport). (5) For each city (given the city name), produce a list of the flights scheduled to arrive or depart within the next 24 hours. The list should include the flight number, the time of arrival or departure in ascending order of time. (6) Given flight number, list origination city, stop-over city (if applicable), and destination city as well as the departure and/or arrival times at these cities. (7) For a scheduled flight, list the captain, the co-pilot, the flight attendants, and the airplane serial number. (8) For each scheduled flight and a departure city, prepare a customer call list, which includes the ID type, ID number, full name, date of birth, address and contact phone number of the passengers booked to board the flight. (9) Given a date, an origination city and a destination city, list all scheduled flights and the number of available seats on each flight. (10) For a given passenger (identified by ID type and ID number), list the flights he or she has been booked on, including the departure/arrival city and time. (11) For a staff member, list the details of the emergency contact person. (12) For a given date, list the airplanes scheduled for flights and those not scheduled for flights. (13) For each flight attendant, find his/her work experiences and details of trainings he/she received. (14) For each airplane (given the serial number), list its scheduled flights (departure and arrival city as well as time) today Due date: 15:00 Friday 17/10/2014 late submission will be penalized see course profile for details. Note: This assignment contributes 25% to your final assessment. It should be done in groups of maximal size 2. Students in each group should contribute equally on all tasks. An airline company needs a database to track its staff, airplanes, flights and passengers and so on. The detailed system specification is given to you in the document AirlineCaseStudy.pdf. You can make your own reasonable assumptions if necessary. Your tasks are: Task 1: Conceptual design (50 marks) List all of your assumptions. Draw an EER or ER diagram for the conceptual design of the database. Task 2: ERD to table translation (20 marks) Map your EERD or ERD to tables. The tables must be obtained using the rules in text or lecture slides. Clearly show the primary key, foreign keys, and alternate keys. Task 3: Schema refinement and documentation (10 marks) Check your tables are at least in 3NF. If not, modify your ERD or do normalization. If you choose to use non-3NF tables, provide the reasons why. Assign appropriate data types and lengths to all attributes. Refine the schema to include necessary integrity constraints such as domain constraints, null value constraints and possibly more complex business rules. Document your final database schema clearly, eg, you may use a form similar to the following

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