Computer Science Question
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Get it written →COP4710 HW #3 Instructions: Write your answer neatly and concisely. Illegible scribbles or unclear solutions will result in lost credit. Submit your answers in pdf via Webcources by the due date. 1. (Exercise 19.3) Consider the relation shown in Figure 19.1. 1. List all the functional dependencies that this relation instance satisfies. 2. Assume that the value of attribute Z of the last record in the relation is changed from z3 to z2. Now list all the functional dependencies that this relation instance satisfies. 2. 1. List all keys for R. 2. Is R in 3NF? 3. Explain why R is not in BCNF 4. Decompose R into BCNF relations 3. 4.
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