Question: 20. a. What normal form is the following database system and why? First normal form Prof-Num Prof-Name Stu-Num_Stu-Name Stu-Addr Course-Name Course-Id b. Identify and define

20. a. What normal form is the following database system and why? First normal form Prof-Num Prof-Name Stu-Num_Stu-Name Stu-Addr Course-Name Course-Id b. Identify and define the dependencies that are represented in the above database system. El c. How many data sources are represented in the above database system? Name them appropriately. 2 sources = professor and student 20. a. What normal form is the following database system and why? First normal form Prof-Num Prof-Name Stu-Num_Stu-Name Stu-Addr Course-Name Course-Id b. Identify and define the dependencies that are represented in the above database system. El c. How many data sources are represented in the above database system? Name them appropriately. 2 sources = professor and student

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