Now that Tshepo knows that you are an expert with ERDS, he wants you to review a UML ERD that an intern created for another project. Below is the UML ERD and the business rules used to create it. Which 10 changes would you propose should be made to the ERD to improve its quality, so that it can be successfully implemented in a relational database? You can make annotations on the diagram and/or describe the changes in text. Project ACME Grey – Business Rules 1. All tables in the database must have surrogate primary keys. 2. A product consists of one or more parts. Not all parts captured in the system are part of a product yet, and a part can be used in many products. 3. Each part is supplied by at least one supplier, but multiple suppliers could potentially supply the same part. 4. The following information must be stored for each product: description. Proprietary information of ACME TechnologiesM. Do not communicate with unauthorised third parties. O The Independent Institute of Education (Pty) Ltd 2021 Page 6 of 8 9; 20; 21 2021 Reduct cantained Praduct ID E FK3 Part ID EFE} in Praduct ID EPKS Praducer Part 0. Part ID EPE3 Sipplier ID {AC} fesriptian supples Noume Address

A Guide to SQL
9th Edition
ISBN:9781111527273
Author:Philip J. Pratt
Publisher:Philip J. Pratt
Chapter2: Database Design Fundamentals
Section: Chapter Questions
Problem 3TD
icon
Related questions
Question
Now that Tshepo knows that you are an expert with ERDS, he wants you to review a UML ERD that
an intern created for another project. Below is the UML ERD and the business rules used to create
it. Which 10 changes would you propose should be made to the ERD to improve its quality, so
that it can be successfully implemented in a relational database?
You can make annotations on the diagram and/or describe the changes in text.
Project ACME Grey – Business Rules
1.
All tables in the database must have surrogate primary keys.
2.
A product consists of one or more parts. Not all parts captured in the system are part of a
product yet, and a part can be used in many products.
3.
Each part is supplied by at least one supplier, but multiple suppliers could potentially
supply the same part.
4.
The following information must be stored for each product: description.
Proprietary information of ACME Technologies™. Do not communicate with unauthorised third
parties.
© The Independent Institute of Education (Pty) Ltd 2021
Page 6 of 8
19; 20; 21
2021
Reduct
cantained
Product ID E FK3
Part ID {Ft}
in
Praduct ID EPES
foducer
Part
supples
Noune
Address
0. Part ID EPE3
Sipplier ID {AC}
Desriptian
Transcribed Image Text:Now that Tshepo knows that you are an expert with ERDS, he wants you to review a UML ERD that an intern created for another project. Below is the UML ERD and the business rules used to create it. Which 10 changes would you propose should be made to the ERD to improve its quality, so that it can be successfully implemented in a relational database? You can make annotations on the diagram and/or describe the changes in text. Project ACME Grey – Business Rules 1. All tables in the database must have surrogate primary keys. 2. A product consists of one or more parts. Not all parts captured in the system are part of a product yet, and a part can be used in many products. 3. Each part is supplied by at least one supplier, but multiple suppliers could potentially supply the same part. 4. The following information must be stored for each product: description. Proprietary information of ACME Technologies™. Do not communicate with unauthorised third parties. © The Independent Institute of Education (Pty) Ltd 2021 Page 6 of 8 19; 20; 21 2021 Reduct cantained Product ID E FK3 Part ID {Ft} in Praduct ID EPES foducer Part supples Noune Address 0. Part ID EPE3 Sipplier ID {AC} Desriptian
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question

In the text , we don't talk about producer , WHY put this entity ? there is no reason 

Solution
Bartleby Expert
SEE SOLUTION
Knowledge Booster
Types of Database Architectures
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
A Guide to SQL
A Guide to SQL
Computer Science
ISBN:
9781111527273
Author:
Philip J. Pratt
Publisher:
Course Technology Ptr
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781305627482
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning