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, EmployeeName, EmployeeSalary) FIGURE 2-33 ProjectID 100-A Employee Name Eric Jones Employee Salary 64,000.00 Sample Data for 100-A Donna Smith 70,000.00 Regional Labs 100-B Donna Smith 70,000.00 200-A Eric Jones 64,000.00 200-B Eric Jones 64,000.00 200-C Eric Parks 58,000.00 200-C Donna Smith 70,000.00 200-D Eric Parks 58,000.00 Assuming that all functional dependencies are apparent in this data, which of the following are true? a. Employee Name → Employee Salary b. ProjectID → EmployeeSalary O c. Employee Salary → ProjectID d. ProjectID → Employee Name e. EmployeeSalary → (ProjectID, EmployeeName)

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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, EmployeeName, EmployeeSalary)
FIGURE 2-33
ProjectID
100-A
Employee Name
Eric Jones
Employee Salary
64,000.00
Sample Data for
100-A
Donna Smith
70,000.00
Regional Labs
100-B
Donna Smith
70,000.00
200-A
Eric Jones
64,000.00
200-B
Eric Jones
64,000.00
200-C
Eric Parks
58,000.00
200-C
Donna Smith
70,000.00
200-D
Eric Parks
58,000.00
Assuming that all functional dependencies are apparent in this data, which of the following are true?
a. Employee Name → Employee Salary
b. ProjectID → EmployeeSalary
O c. Employee Salary → ProjectID
d. ProjectID → Employee Name
e. EmployeeSalary → (ProjectID, EmployeeName)
Transcribed Image Text: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, EmployeeName, EmployeeSalary) FIGURE 2-33 ProjectID 100-A Employee Name Eric Jones Employee Salary 64,000.00 Sample Data for 100-A Donna Smith 70,000.00 Regional Labs 100-B Donna Smith 70,000.00 200-A Eric Jones 64,000.00 200-B Eric Jones 64,000.00 200-C Eric Parks 58,000.00 200-C Donna Smith 70,000.00 200-D Eric Parks 58,000.00 Assuming that all functional dependencies are apparent in this data, which of the following are true? a. Employee Name → Employee Salary b. ProjectID → EmployeeSalary O c. Employee Salary → ProjectID d. ProjectID → Employee Name e. EmployeeSalary → (ProjectID, EmployeeName)
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