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Suppose that I have a relation with the following structure, where (EmployeeID, Department) is a composite...

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Programming

Suppose that I have a relation with the following structure,where (EmployeeID, Department) is a composite primary key.

DEPARTMENT (EmployeeID, EmployeeName, Department,TotalSales).

Further suppose that the following functional dependenciesexist

(EmployeeID, Department) → (EmployeeName, TotalSales)

EmployeeID → EmployeeName

True or False: The above relation is in 2NF.

True or False: A relation in second normal form is automaticallyin third normal form.

True or False: If PartNumber → PartWeight, then PartNumber willbe unique in a relation.

Answer & Explanation Solved by verified expert
4.2 Ratings (900 Votes)
A The relation is in 2NF This is False because the relation contains partial functional dependency EmployeeID EmployeeName This is partial functional dependency since EmployeeID is primary key attribute And    See Answer
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