The PatientVisit relation keeps information about the patients\' visits to docto

Question

The PatientVisit relation keeps information about the patients' visits to doctors. a. Identify the functional dependencies in the relation. b. Is this relation in 2NF, 3NF, and BCNF, and why? If not, show your steps of performing the normalization to transform the relation into 2NF, 3NF, and BCNF. Show all referential integrity constraints in the relational model that result from the normalization. c. Identify the functional dependency in each relation in the final relational model produced in b.

Explanation / Answer

The functional dependencies are as follows:

PatientID->name,address,visit date

Doctor id-> Doctor name.

It is already in BCNF as PatientID and doctor id is he super key which is the left side of the relations that is the key.

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