Your team of Data Analysts have been asked to create a database design for the Boeing X Aircraft Company (BAC), which has two HUD (heads-up display) products: TRX-5A and TRX-5B. The database must enable managers of BAC to track blueprints, parts, and software for each HUD, using the following business rules: For simplicity’s sake, you may assume that the TRX-5A unit is based on two engineering blueprints and that the TRX-5B unit is based on three engineering blueprints. You are free to make up your own blueprint names. All parts used in the TRX-5A and TRX-5B are classified as hardware. For simplicity’s sake, you may assume that the TRX-5A unit uses three parts and that the TRX-5B unit uses four parts. You are free to make up your own part names. BAC wants to keep track of all part price changes and the dates of those changes. BAC wants to keep track of all TRX-5A and TRX-5B software. For simplicity’s sake, you may assume that the TRX-5A unit uses two named software components and that the TRX-5B unit also uses two named software components. You are free to make up your own software names. BAC wants to keep track of all changes made in blueprints and software. Those changes must reflect the date and time of the change, the description of the change, the person who authorized the change, the person who actually made the change, and the reason for the change. BAC wants to keep track of all HUD test data by test type, test date, and test outcome.   Note: Some parts are supplied by vendors, while others are supplied by the Boeing X Aircraft Company. Parts suppliers must be able to meet the technical specification requirements (TCRs) set by the Boeing X Aircraft Company. Any parts supplier that meets the Boeing X Aircraft Company’s TCRs may be contracted to supply parts. Therefore, any part may be supplied by multiple suppliers and a supplier can supply many different parts.   Draw an ER diagram in 3rd Normal Form that captures the above information.

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
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Your team of Data Analysts have been asked to create a database design for the Boeing X Aircraft Company (BAC), which has two HUD (heads-up display) products: TRX-5A and TRX-5B. The database must enable managers of BAC to track blueprints, parts, and software for each HUD, using the following business rules:

For simplicity’s sake, you may assume that the TRX-5A unit is based on two engineering blueprints and that the TRX-5B unit is based on three engineering blueprints. You are free to make up your own blueprint names. All parts used in the TRX-5A and TRX-5B are classified as hardware. For simplicity’s sake, you may assume that the TRX-5A unit uses three parts and that the TRX-5B unit uses four parts. You are free to make up your own part names. BAC wants to keep track of all part price changes and the dates of those changes. BAC wants to keep track of all TRX-5A and TRX-5B software. For simplicity’s sake, you may assume that the TRX-5A unit uses two named software components and that the TRX-5B unit also uses two named software components. You are free to make up your own software names. BAC wants to keep track of all changes made in blueprints and software. Those changes must reflect the date and time of the change, the description of the change, the person who authorized the change, the person who actually made the change, and the reason for the change. BAC wants to keep track of all HUD test data by test type, test date, and test outcome.

 

Note: Some parts are supplied by vendors, while others are supplied by the Boeing X Aircraft Company. Parts suppliers must be able to meet the technical specification requirements (TCRs) set by the Boeing X Aircraft Company. Any parts supplier that meets the Boeing X Aircraft Company’s TCRs may be contracted to supply parts. Therefore, any part may be supplied by multiple suppliers and a supplier can supply many different parts.

 

Draw an ER diagram in 3rd Normal Form that captures the above information.

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