Question: SQL 1) Consider a relation with schema R(A, B, C, D) and a set of functional dependencies F: { AB --> D, BC --> A,

SQL 1) Consider a relation with schema R(A, B, C, D) and a set of functional dependencies F: { AB --> D, BC --> A, CD-->B, AD-->C}, answer the following questions:

a) Compute (CD)+ and (BD)+. b) Find all keys of R. c) Find all super keys for R that are not keys.

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To tackle this problem lets go through each part step by step Step 1 Compute the Closures a Compute CD and BD CD To find the closure of CD we begin wi... View full answer

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