E7 Identify the attributes that might be present in the following classes. Try to be reasonably exhaustive. (a) Series (in a scheduling system for an independent television station) (b) Passenger (in an airline system) (c) Event (in a personal schedule system; a meeting might be a kind of event) (d) Clasroom (in a university course scheduling system) (e) PhoneCall (in the system of a mobile telephone company) (f) AssemblyLine (in a factory automation system) E8 Identify some associations that might involve the classes listed in the previous exercise. For each association, indicate the other class that would

E7 Identify the attributes that might be present in the following classes. Try to be reasonably exhaustive. (a) Series (in a scheduling system for an independent television station) (b) Passenger (in an airline system) (c) Event (in a personal schedule system; a meeting might be a kind of event) (d) Clasroom (in a university course scheduling system) (e) PhoneCall (in the system of a mobile telephone company) (f) AssemblyLine (in a factory automation system) E8 Identify some associations that might involve the classes listed in the previous exercise. For each association, indicate the other class that would

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

See similar textbooks

Similar questions

In order to construct your own system, what information should you include in your abstract?
Discuss the use of multiple interfaces in a single class and the concept of interface inheritance.
Python programming is the subject
A Person class has four attributes SSN, age, gender, and address. Normally, SSN and gender are not expected to be changed after the values are set for a person object. Show the UML class diagram for this Person class.
True or False? Because child classes in generalizations inherit the attributes, operations, and relationships of the parent, you must only define for the child the attributes, operations, or relationships that are distinct from the parent.
A subclass of an abstract class must provide concrete implementations for each of the parent class's abstract methods in order to be considered a subclass. What are your thoughts on this?
Explain the concept of abstract methods and abstract classes in the context of method overriding. When and why are they used?
131. Modeling encompasses phases which are a. 2 b. 3 c. 4 d. 5
Consider the details of different bank account types as follows: A) All bank accounts allow i. Deposits ii. Balance enquiries B) Savings accounts i. Allow no checking ii. Do not charge service fee iii. Give interest C) Checking accounts i. Allow checking ii. Charge service fee iii. Do not give interest Design a class diagram with Account as an abstract class with the class representations for both the savings account and the checking account as two concrete subclasses.
Agile methodologies are at their very best with large projects because they are flexible enough to handle whatever needs to be done. O True O False
I need to draw a class diagram for problem described here: Five philosophers are sitting at a circular table sharing a meal. A fork is placed between each pair of philosophers and each philosopher needs two forks to eat, which means no two neighbours may be eating simultaneously.
It is necessary for a subclass of an abstract class to implement all of the abstract methods that are defined for the parent class. Is there a mistake or is it accurate?