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Qn 3: Identify the business rules represented in the following ERD and resolve the Many to Many relationship. Videos Videold Title Description UploadedDate Hass in -Upload/Uploaded by Users YouTubePlayList ListNumber ListName Userid FirstName LastName Email Has/ Created by-

Qn 3: Identify the business rules represented in the following ERD and resolve the Many to Many relationship. Videos Videold Title Description UploadedDate Hass in -Upload/Uploaded by Users YouTubePlayList ListNumber ListName Userid FirstName LastName Email Has/ Created by-

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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Qn 3: Identify the business rules represented in the following ERD and resolve the Many to Many relationship. Videos Videold Title Description UploadedDate Has s in -Upload /Uploaded by Users YouTubePlayList Userld FirstName LastName Email ListNumber o Has/Created by- ListName Qn 4: Draw an ERD using the following scenario: Prepare an Entity Relationship Diagram (ERD) showing all primary and non-primary key attributes for the scenario provided below. Fly Every Where (FEW) maintains a database about airlines, passengers and their reservation to perform their business activities. The information about the data stored by FEW database is as follows: • FEW has collaborations with many airlines. Each airline has a unique identification number, contact person name and contact number. • The airline has one or more aircrafts. Information stored about aircraft includes a model number, a unique registration number, and the capacity to take one or more passengers. • An aircraft can fly in many flights but each flight is carried by a single aircraft. • Each flight is referenced by unique identifier flight number, a departure airport, a destination airport, departure date and time and arrival date and time. • Passengers are referenced by their unique email ID, first name, last name, mobile and address. Questions extracted from: Database Processing: Fundamentals, Design, and Implementation, David M. Kroenke and David Auer, 14th ed, Global Edition, Pearson ICT200 Tutorial Compiled by: Anupam Makhija K >KOI King's Own Institute dn d ty ng ing om p • A passenger can book one or many seats on a flight. A passenger can book any number of flights and a flight cab be booked by any number of passengers. When a booking done, also number of seats booked and amount is recorded. Questions: a) Identify attributes and associate them with entity or relationship types. Represent each attribute in your ER diagram. b) Identify the main relationship types between the entity types identified in part (a) and represent each relationship on your ER diagram. c) Show the primary and foreign key attributes for each entity.
Transcribed Image Text:Qn 3: Identify the business rules represented in the following ERD and resolve the Many to Many relationship. Videos Videold Title Description UploadedDate Has s in -Upload /Uploaded by Users YouTubePlayList Userld FirstName LastName Email ListNumber o Has/Created by- ListName Qn 4: Draw an ERD using the following scenario: Prepare an Entity Relationship Diagram (ERD) showing all primary and non-primary key attributes for the scenario provided below. Fly Every Where (FEW) maintains a database about airlines, passengers and their reservation to perform their business activities. The information about the data stored by FEW database is as follows: • FEW has collaborations with many airlines. Each airline has a unique identification number, contact person name and contact number. • The airline has one or more aircrafts. Information stored about aircraft includes a model number, a unique registration number, and the capacity to take one or more passengers. • An aircraft can fly in many flights but each flight is carried by a single aircraft. • Each flight is referenced by unique identifier flight number, a departure airport, a destination airport, departure date and time and arrival date and time. • Passengers are referenced by their unique email ID, first name, last name, mobile and address. Questions extracted from: Database Processing: Fundamentals, Design, and Implementation, David M. Kroenke and David Auer, 14th ed, Global Edition, Pearson ICT200 Tutorial Compiled by: Anupam Makhija K >KOI King's Own Institute dn d ty ng ing om p • A passenger can book one or many seats on a flight. A passenger can book any number of flights and a flight cab be booked by any number of passengers. When a booking done, also number of seats booked and amount is recorded. Questions: a) Identify attributes and associate them with entity or relationship types. Represent each attribute in your ER diagram. b) Identify the main relationship types between the entity types identified in part (a) and represent each relationship on your ER diagram. c) Show the primary and foreign key attributes for each entity.
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