Which of the Following Is True About the Functional Dependency

question 92

Multiple Choice

Which of the following is true about the functional dependency A → (X,Y) ?

• A)X is functionally dependent on A.
• B)A determines Y.
• C)A is a determinant.
• D)X and Y are functionally dependent on A.
• E)All of the above.

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Definitions:

Artificial Intelligence

The simulation of human intelligence processes by machines, especially computer systems, including learning, reasoning, and self-correction.

Expert Systems

Artificial intelligence systems that use knowledge-based databases to simulate the expertise and decision-making ability of human experts.

Preprogrammed Algorithms

Algorithms that are specified or coded into software or a device in advance to perform specific tasks or solve certain problems.

Rules-Based Systems

Software that asks questions and responds based on preprogrammed algorithms. Early attempts at expert systems were rules based.