davidebner8803 davidebner8803

19-12-2022
Computers and Technology

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For a given set F of functional dependencies (F.D.), any F.D. in its closure F+ can be derived by using Armstrong's axioms. (True or False)?

Answer :

tutorconsortium642 tutorconsortium642

26-12-2022

It is true that for a given set F of functional dependencies (F.D.), any F.D. in its closure F+ can be derived by using Armstrong's axioms.

Give an illustration of what a functional dependence is.

The net value of the employee number yields the name, pay, and city information for each person employed (or id of an employee). Therefore, it can be claimed that the qualities for city, salary, and name are dependent on the trait Personnel Number in order to work.

What is the function of dependency?

A criterion that would establish the link between two distinct sets of characteristics in which one set may reliably predict the actual value of the other sets is referred to as a functional dependence. Determinant refers to the collection of attributes somewhat on left side of such provided arrow P.

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