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3. 4. 5. ProjectID, EmployeeName Are all the nonkey attributes (if any) dependent on the primary key? Describe two modification anomalies that affect PROJECT. 6. Is ProjectID a determinant? If so, based on which functional dependencies in part A? 7. Is EmployeeName a determinant? If so, based on which functional dependencies in part A? 9. 8. Is (ProjectID, EmployeeName) a determinant? If so, based on which functional dependencies in part A? 10. In what normal form is PROJECT? 11. Is EmployeeSalary a determinant? If so, based on which functional dependencies in part A? Does this relation contain a transitive dependency? If so, what is it? Redesign the relation to eliminate modification anomalies. R

3. 4. 5. ProjectID, EmployeeName Are all the nonkey attributes (if any) dependent on the primary key? Describe two modification anomalies that affect PROJECT. 6. Is ProjectID a determinant? If so, based on which functional dependencies in part A? 7. Is EmployeeName a determinant? If so, based on which functional dependencies in part A? 9. 8. Is (ProjectID, EmployeeName) a determinant? If so, based on which functional dependencies in part A? 10. In what normal form is PROJECT? 11. Is EmployeeSalary a determinant? If so, based on which functional dependencies in part A? Does this relation contain a transitive dependency? If so, what is it? Redesign the relation to eliminate modification anomalies. R

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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Regional Labs is a company that conducts research and development work on a contract basis for other companies and organizations. The table below shows data that Regional Labs collects about projects and the employees assigned to them. 

This data is stored in a relation (table) named PROJECT:

PROJECT(ProjectID, EmployeeName, EmployeeSalary) 

11 A A Aav X₂ Xx² A - A Font tions: On * > 14 2. 3. PO Av 17 f5 Accessibility: Investigate DNE ^^3^3 ProjectID 100-A 100-A 100-B 200-A 200-B 200-C 200-C 200-D Q Search Paragraph f6 V Eric Jones Donna Smith Donna Smith Eric Jones Erić Jones Eric Parks Donna Smith Eric Parks 1. Assuming that all functional dependencies are apparent in this data, which of the following are true? 1. ProjectID → Employee Name False 2. ProjectID → EmployeeSalary False 3. (ProjectID, EmployeeName) → EmployeeSalary 4. EmployeeName → EmployeeSalary 5. EmployeeSalary → ProjectID False 6. EmployeeSalary → (ProjectID, EmployeeName) False What is the primary key of PROJECT? ProjectID, Employee Name Are all the nonkey attributes (if any) dependent on the primary key? f7 V EmployeeName Employee Salary 64,000.00 70,000.00 70,000.00 64,000.00 64,000.00 58,000.00 70,000.00 58,000.00 True hp V 12 fg CO 4+ True Normal 19 10 No Spacing W Styles Focus
Transcribed Image Text:11 A A Aav X₂ Xx² A - A Font tions: On * > 14 2. 3. PO Av 17 f5 Accessibility: Investigate DNE ^^3^3 ProjectID 100-A 100-A 100-B 200-A 200-B 200-C 200-C 200-D Q Search Paragraph f6 V Eric Jones Donna Smith Donna Smith Eric Jones Erić Jones Eric Parks Donna Smith Eric Parks 1. Assuming that all functional dependencies are apparent in this data, which of the following are true? 1. ProjectID → Employee Name False 2. ProjectID → EmployeeSalary False 3. (ProjectID, EmployeeName) → EmployeeSalary 4. EmployeeName → EmployeeSalary 5. EmployeeSalary → ProjectID False 6. EmployeeSalary → (ProjectID, EmployeeName) False What is the primary key of PROJECT? ProjectID, Employee Name Are all the nonkey attributes (if any) dependent on the primary key? f7 V EmployeeName Employee Salary 64,000.00 70,000.00 70,000.00 64,000.00 64,000.00 58,000.00 70,000.00 58,000.00 True hp V 12 fg CO 4+ True Normal 19 10 No Spacing W Styles Focus
> A A Aa ab x₂ x AA 11 13 Font Ext Predictions: On 3. 5. 7. 4. In what normal form is PROJECT? 9. PO 10. 11. 12 f4 E- E - F = = AL = = = Describe two modification anomalies that affect PROJECT. 6. Is ProjectID a determinant? If so, based on which functional dependencies in part A? Is EmployeeName a determinant? If so, based on which functional dependencies in part A? TO Accessibility: Investigate 15 ProjectID, Employee Name Are all the nonkey attributes (if any) dependent on the primary key? Paragraph 8. Is (ProjectID, EmployeeName) a determinant? If so, based on which functional dependencies in part A? Is EmployeeSalary a determinant? If so, based on which functional dependencies in part A? Does this relation contain a transitive dependency? If so, what is it? Redesign the relation to eliminate modification anomalies. Q Search f6 11 17 f7 S hp f8 Normal fg f10 No Spacing W Styles Focus
Transcribed Image Text:> A A Aa ab x₂ x AA 11 13 Font Ext Predictions: On 3. 5. 7. 4. In what normal form is PROJECT? 9. PO 10. 11. 12 f4 E- E - F = = AL = = = Describe two modification anomalies that affect PROJECT. 6. Is ProjectID a determinant? If so, based on which functional dependencies in part A? Is EmployeeName a determinant? If so, based on which functional dependencies in part A? TO Accessibility: Investigate 15 ProjectID, Employee Name Are all the nonkey attributes (if any) dependent on the primary key? Paragraph 8. Is (ProjectID, EmployeeName) a determinant? If so, based on which functional dependencies in part A? Is EmployeeSalary a determinant? If so, based on which functional dependencies in part A? Does this relation contain a transitive dependency? If so, what is it? Redesign the relation to eliminate modification anomalies. Q Search f6 11 17 f7 S hp f8 Normal fg f10 No Spacing W Styles Focus
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