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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

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

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

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