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Imagine a time before COVID-19 and a new airline needs a web based airline reservation system. You are asked to produce such a system using an object oriented design. You want to decide which classes to include. Fill up the table below to indicate which classes are important to the design. For example, if you think a Ticket class is essential to a good 00 design, then put it in the Essential column. If it is non essential, put it in the Non Essential column. If it wasn't essential to the design, but could be considered, then add it to the possible column. Note that this will be a relatively basic implementation. We just want a design that will allow someone to purchase tickets for a flight. Hint: the "Essential" column means that any reasonable design would include such a class. The "Non-Essential" column means that any reasonable design would not include such a class. If you feel that it could go in either, then you can add it to the 'Possible' column. There are no marks for the 'Don't Know' column but you can use it to indicate a row which you might want to come back to later. Make sure that the "Don't Know" columns are cleared when you submit your answer. Essential Possible Non Essential Don't Know Seat EconomyClass DepartureTime FirstClass StartingLocation Runway Destination

Imagine a time before COVID-19 and a new airline needs a web based airline reservation system. You are asked to produce such a system using an object oriented design. You want to decide which classes to include. Fill up the table below to indicate which classes are important to the design. For example, if you think a Ticket class is essential to a good 00 design, then put it in the Essential column. If it is non essential, put it in the Non Essential column. If it wasn't essential to the design, but could be considered, then add it to the possible column. Note that this will be a relatively basic implementation. We just want a design that will allow someone to purchase tickets for a flight. Hint: the "Essential" column means that any reasonable design would include such a class. The "Non-Essential" column means that any reasonable design would not include such a class. If you feel that it could go in either, then you can add it to the 'Possible' column. There are no marks for the 'Don't Know' column but you can use it to indicate a row which you might want to come back to later. Make sure that the "Don't Know" columns are cleared when you submit your answer. Essential Possible Non Essential Don't Know Seat EconomyClass DepartureTime FirstClass StartingLocation Runway Destination

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Justify choices of classes from the question, explain why

Imagine a time before COVID-19 and a new airline needs a web based airline reservation system. You are asked to produce such a system using an object oriented design. You want to decide which classes to include. Fill up the table below to indicate which classes are important to the design. For example, if you think a Ticket class is essential to a good 00 design, then put it in the Essential column. If it is non essential, put it in the Non Essential column. If it wasn't essential to the design, but could be considered, then add it to the possible column. Note that this will be a relatively basic implementation. We just want a design that will allow someone to purchase tickets for a flight. Hint: the "Essential" column means that any reasonable design would include such a class. The "Non-Essential" column means that any reasonable design would not include such a class. If you feel that it could go in either, then you can add it to the 'Possible' column. There are no marks for the 'Don't Know' column but you can use it to indicate a row which you might want to come back to later. Make sure that the "Don't Know" columns are cleared when you submit your answer. Essential Possible Non Essential Don't Know Seat EconomyClass DepartureTime FirstClass StartingLocation Runway Destination Airport Nurse
Transcribed Image Text:Imagine a time before COVID-19 and a new airline needs a web based airline reservation system. You are asked to produce such a system using an object oriented design. You want to decide which classes to include. Fill up the table below to indicate which classes are important to the design. For example, if you think a Ticket class is essential to a good 00 design, then put it in the Essential column. If it is non essential, put it in the Non Essential column. If it wasn't essential to the design, but could be considered, then add it to the possible column. Note that this will be a relatively basic implementation. We just want a design that will allow someone to purchase tickets for a flight. Hint: the "Essential" column means that any reasonable design would include such a class. The "Non-Essential" column means that any reasonable design would not include such a class. If you feel that it could go in either, then you can add it to the 'Possible' column. There are no marks for the 'Don't Know' column but you can use it to indicate a row which you might want to come back to later. Make sure that the "Don't Know" columns are cleared when you submit your answer. Essential Possible Non Essential Don't Know Seat EconomyClass DepartureTime FirstClass StartingLocation Runway Destination Airport Nurse
Essential Possible Non Essential Don't Know Seat EconomyClass DepartureTime FirstClass StartingLocation Runway Destination Airport Nurse ArrivalTime Trip Ticket Doctor Price Pilot Meal BusinessClass Customer
Transcribed Image Text:Essential Possible Non Essential Don't Know Seat EconomyClass DepartureTime FirstClass StartingLocation Runway Destination Airport Nurse ArrivalTime Trip Ticket Doctor Price Pilot Meal BusinessClass Customer
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