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3. Consider the following relation: bl b2 b4 b3 bl b3 bl b2 10 12 C4 C4 15 15 Given the previous extension (state), which

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3. Consider the following relation: bl b2 b4 b3 bl b3 bl b2 10 12 C4 C4 15 15 Given the previous extension (state), which of the following dependencies may hold in the above relation? * A, BC

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