In this part you will be to map the EER schema design to a relational database schema, and create the tables corresponding to the relational schema using the MySQL. You will add to your report a listing of the CREATE TABLE statements. Specify as many constraints (key, referential integrity) as you can in the relational schema. You should state the choices you made during the EER-to-relational mapping, and the reasons for your choices.

In this part you will be to map the EER schema design to a relational database schema, and create the tables corresponding to the relational schema using the MySQL. You will add to your report a listing of the CREATE TABLE statements. Specify as many constraints (key, referential integrity) as you can in the relational schema. You should state the choices you made during the EER-to-relational mapping, and the reasons for your choices.

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

Problem 1PE

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Concept explainers

Enhanced ER Model

The enhanced ER model is an abbreviation for Enhanced Entity-Relationship (EER) model. As you know, the entity-relationship (ER) model is a pictorial illustration of the relationship between various entities of a domain. In the case of a large amount of data with multiple interrelated entities, the ER diagrams become complex and tough to interpret. For such cases, the need for enhancement in the ER model was observed, and thus, the EER model was designed.

Question

Please read the description carefully and look at the EER diagram that's provided below to answer this part.

In this part you will be to map the EER schema design to a relational database schema, and create
the tables corresponding to the relational schema using the MYSQL. You will add to your report a
listing of the CREATE TABLE statements. Specify as many constraints (key, referential
integrity) as you can in the relational schema. You should state the choices you made during the
EER-to-relational mapping, and the reasons for your choices.

CategoryType
Model
Phone
VehiclelD
IdNo
Name
Year
CAR
CUSTOMER
DailyRate
1
WeeklyRate
INVOLVED
RentallD
M
(Current_Or_Scheduled)
M
RENTS
RENTAL
RentalType
AmountDue
RentalType
d
RentallD
"W"
RentallD
WEEKLY
DAILY RENTAL
NoOfWeeks
NoOfDays
StartDate
ReturnDate
StartDate
ReturnDate

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