Question: Database Q: Simple answer plz. Consider the following proposed rule for functional dependencies: If gamma rightarrow beta and gamma rightarrow beta, then alpha rightarrow gamma.

Database Q:

Database Q: Simple answer plz. Consider the following proposed rule for functional

Simple answer plz.

Consider the following proposed rule for functional dependencies: If gamma rightarrow beta and gamma rightarrow beta, then alpha rightarrow gamma. Prove that this rule is not sound by showing a relation r that satisfies alpha rightarrow beta and gamma rightarrow beta, but does not satisfy alpha rightarrow gamma

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