Solution-Identify the functional dependencies in the

Identify the functional dependencies in the relation

Assignment Help Management Information Sys

Reference no: EM131886922

1. Transform the following E-R model to a relational model.

1581_1 ER diagram.jpg

2. The Buy relationship in the following E-R model is transformed into a relational model as follows. Is there any problem with this transformation? If so, discuss the problem(s) and make corrections.

1679_2 Diagram.jpg

3. Transform the following E-R model to a relational model.

1326_3 diagram.jpg

4. 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.

Patient Visit

PatientlD	_Naine	Address	VisitDate	DoctorID	DoctorName
	_Naine	Address		DoctorID	DoctorName
P1209	1. Johns	11-1 West	3/3/02	D1256	A. Frank
P1209	J. Johns	134 West	9/10/02	D1256	A. Frank
P1215	J. Johns	200 West	3/3/02	D4523	D. Gomez
P1221	F.Brown	2,23 South	6/7/02	D6712	G. Kelly
P8912	F.Dong	45 East	9/12/02	D8917	M. Julius

Reference no: EM131886922

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Identify the functional dependencies in the relation

Reference no: EM131886922

Reference no: EM131886922

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