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Practices Charlie has a large book collection. He was keeping track of it in a spreadsheet, but it has grown big enough that he wants to convert it into a real database. Here is a sample from the spreadsheet: Author James Taylor May Norton Jessica Lewis Author Country England United States United States Titles JavaScript Essentials, South Tech Books, London, 2010, $14; HTML5 Exposed, Webby Books, London, 2012, $15.50 Big Data Big Promise, Data Press, San Francisco 2012, $25 Database Development for the Cloud, Data Press San Francisco, $20.35; Data Services, Future Tech Press, New York $12.95 1. What are some of the potential problems with this layout if carried directly to the database? 2. Which of the columns in the example are multivalued? 3. Create a table that would show how you would convert the sample data into First Normal Form. (Hint: Break the information in the Titles column into separate fields. Books are separated by semicolons) 4. Create an entity diagram for the table you made in Practice 3. 5. List all the functional dependencies you find in the sample data. 6. Identify and list some potential candidate keys for the new entities. 7. Create an entity diagram that shows the structure of the data in Second Normal Form. 8. List any transitive dependencies you find. 9. Create an entity diagram that shows the database in Third Normal Form. 10. Describe the process you went through to achieve the normal forms.

Practices Charlie has a large book collection. He was keeping track of it in a spreadsheet, but it has grown big enough that he wants to convert it into a real database. Here is a sample from the spreadsheet: Author James Taylor May Norton Jessica Lewis Author Country England United States United States Titles JavaScript Essentials, South Tech Books, London, 2010, $14; HTML5 Exposed, Webby Books, London, 2012, $15.50 Big Data Big Promise, Data Press, San Francisco 2012, $25 Database Development for the Cloud, Data Press San Francisco, $20.35; Data Services, Future Tech Press, New York $12.95 1. What are some of the potential problems with this layout if carried directly to the database? 2. Which of the columns in the example are multivalued? 3. Create a table that would show how you would convert the sample data into First Normal Form. (Hint: Break the information in the Titles column into separate fields. Books are separated by semicolons) 4. Create an entity diagram for the table you made in Practice 3. 5. List all the functional dependencies you find in the sample data. 6. Identify and list some potential candidate keys for the new entities. 7. Create an entity diagram that shows the structure of the data in Second Normal Form. 8. List any transitive dependencies you find. 9. Create an entity diagram that shows the database in Third Normal Form. 10. Describe the process you went through to achieve the normal forms.

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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Practices Charlie has a large book collection. He was keeping track of it in a spreadsheet, but it has grown big enough that he wants to convert it into a real database. Here is a sample from the spreadsheet: Author James Taylor May Norton Jessica Lewis Author Country England United States United States Titles JavaScript Essentials, South Tech Books, London, 2010, $14; HTML5 Exposed, Webby Books, London, 2012, $15.50 Big Data Big Promise, Data Press, San Francisco 2012, $25 Database Development for the Cloud, Data Press San Francisco, $20.35; Data Services, Future Tech Press, New York $12.95 1. What are some of the potential problems with this layout if carried directly to the database? 2. Which of the columns in the example are multivalued? 3. Create a table that would show how you would convert the sample data into First Normal Form. (Hint: Break the information in the Titles column into separate fields. Books are separated by semicolons) 4. Create an entity diagram for the table you made in Practice 3. 5. List all the functional dependencies you find in the sample data. 6. Identify and list some potential candidate keys for the new entities. 7. Create an entity diagram that shows the structure of the data in Second Normal Form. 8. List any transitive dependencies you find. 9. Create an entity diagram that shows the database in Third Normal Form. 10. Describe the process you went through to achieve the normal forms.
Transcribed Image Text:Practices Charlie has a large book collection. He was keeping track of it in a spreadsheet, but it has grown big enough that he wants to convert it into a real database. Here is a sample from the spreadsheet: Author James Taylor May Norton Jessica Lewis Author Country England United States United States Titles JavaScript Essentials, South Tech Books, London, 2010, $14; HTML5 Exposed, Webby Books, London, 2012, $15.50 Big Data Big Promise, Data Press, San Francisco 2012, $25 Database Development for the Cloud, Data Press San Francisco, $20.35; Data Services, Future Tech Press, New York $12.95 1. What are some of the potential problems with this layout if carried directly to the database? 2. Which of the columns in the example are multivalued? 3. Create a table that would show how you would convert the sample data into First Normal Form. (Hint: Break the information in the Titles column into separate fields. Books are separated by semicolons) 4. Create an entity diagram for the table you made in Practice 3. 5. List all the functional dependencies you find in the sample data. 6. Identify and list some potential candidate keys for the new entities. 7. Create an entity diagram that shows the structure of the data in Second Normal Form. 8. List any transitive dependencies you find. 9. Create an entity diagram that shows the database in Third Normal Form. 10. Describe the process you went through to achieve the normal forms.
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