Answer these questions given the following relational schema and functional dependencies: R (A, B, C, D, E, F, G, H, I, J) B-C E> F,H C- D, G A-C A,B ->ED-B 1. List all candidate keys of R. (2 marks) 2. Does the functional dependency B-> J hold? (1 mark) 3. Does the functional dependency C-> J hold? (1 mark) 4. Normalize R into BCNF. Make sure to underline primary key fields. (6 marks) Answer these questions given the following relational schema and functional dependencies: R (A, B, C, D, E, F, G, H, I, J) B-C E> F,H C- D, G A-C A,B ->ED-B 1. List all candidate keys of R. (2 marks) 2. Does the functional dependency B-> J hold? (1 mark) 3. Does the functional dependency C-> J hold? (1 mark) 4. Normalize R into BCNF. Make sure to underline primary key fields. (6 marks)