Regional Labs is a company that conducts research and development work on a contract basisfor other companies and organizations. Figure 2-33 shows data that Regional Labs collectsabout projects and the employees assigned to them.This data is stored in a relation (table) named PROJECT:PROJECT (ProjectID, Employee Name, EmployeeSalary)ProjectID100-A100-AFIGURE 2-33Sample Data forRegional Labs100-B200-A200-B200-C200-C200-DEmployeeNameEric JonesDonna SmithDonna SmithEric JonesEric JonesEric ParksDonna SmithEric ParksEmployee Salary64,000.0070,000.0070,000.0064,000.0064,000.0058,000.0070,000.0058,000.00 B.C.D.E.What is the primary key of PROJECT?Are all the nonkey attributes (if any) dependent on the primary key?In what normal form is PROJECT?Describe two modification anomalies that affect PROJECT.

Answered: B. C. D. What is the primary key of…

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Regional Labs is a company that conducts research and development work on a contract basis for other companies and organizations. Figure 2-33 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, Employee Name, EmployeeSalary) ProjectID 100-A 100-A FIGURE 2-33 Sample Data for Regional Labs 100-B 200-A 200-B 200-C 200-C 200-D EmployeeName Eric Jones Donna Smith Donna Smith Eric Jones Eric Jones Eric Parks Donna Smith Eric Parks 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
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Regional Labs is a company that conducts research and development work on a contract basis for other companies and organizations. Figure 2-33 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, Employee Name, EmployeeSalary) ProjectID 100-A 100-A FIGURE 2-33 Sample Data for Regional Labs 100-B 200-A 200-B 200-C 200-C 200-D EmployeeName Eric Jones Donna Smith Donna Smith Eric Jones Eric Jones Eric Parks Donna Smith Eric Parks 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
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B. C. D. What is the primary key of PROJECT? Are all the nonkey attributes (if any) dependent on the primary key? In what normal form is PROJECT?