1. Transform the diagram on the previous page into a relational model. All the relations in the relational model should be in the third normal form. Show primary keys, referential integrity constraints, and functional dependencies, as appropriate.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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1. Transform the diagram on the previous page into a relational model. All the relations in the
relational model should be in the third normal form. Show primary keys, referential integrity
constraints, and functional dependencies, as appropriate.
2. The following two changes are made to the Film entity in the ERD (Other parts of the ERD
remain the same). Revise your transformed relation (Film) and it should be in the third normal
form. Show referential integrity constraints, and functional dependencies as appropriate:
1) A new attribute, SHOW-TIME, is added to Film to describe the time period
in which a film can be played.
2) The following new functional dependency holds:
CATEGORY SHOW_TIME
Transcribed Image Text:1. Transform the diagram on the previous page into a relational model. All the relations in the relational model should be in the third normal form. Show primary keys, referential integrity constraints, and functional dependencies, as appropriate. 2. The following two changes are made to the Film entity in the ERD (Other parts of the ERD remain the same). Revise your transformed relation (Film) and it should be in the third normal form. Show referential integrity constraints, and functional dependencies as appropriate: 1) A new attribute, SHOW-TIME, is added to Film to describe the time period in which a film can be played. 2) The following new functional dependency holds: CATEGORY SHOW_TIME
Student Name:
The following ERD is for a simplified video store environment.
CUSTOMER
Customer_Name(pk)
Name(FirstN, M, LastN)
DOB
(TotalAmount)
CustomerType
Rents
Check OutDate
Due Date
(Amount_Paid]
Role
FILM
COPY
АСTOR
FID(pk)
Title
Rate
Category
(Directors)
- Carres-
Copy No (partial identifier)
Current Condition
(No of_CheckOut)
performed by-
SSN(pk)
Name
*COPY entity has a partial identifier (Copy_no).
Transcribed Image Text:Student Name: The following ERD is for a simplified video store environment. CUSTOMER Customer_Name(pk) Name(FirstN, M, LastN) DOB (TotalAmount) CustomerType Rents Check OutDate Due Date (Amount_Paid] Role FILM COPY АСTOR FID(pk) Title Rate Category (Directors) - Carres- Copy No (partial identifier) Current Condition (No of_CheckOut) performed by- SSN(pk) Name *COPY entity has a partial identifier (Copy_no).
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