Given the conceptual model below, CUSTOMER owns CAR gets MAINTENANCE H+ includes MAINT_LINE is written in Write all business rules depicted by the model. Identify all of the cardinalities. What should be the composite Primary Key for the MAINT_LINE entity? + PART

Given the conceptual model below, CUSTOMER owns CAR gets MAINTENANCE H+ includes MAINT_LINE is written in Write all business rules depicted by the model. Identify all of the cardinalities. What should be the composite Primary Key for the MAINT_LINE entity? + PART

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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Question

Given the conceptual model below,
CUSTOMER
owns
H+
CAR
gets
MAINTENANCE
HH
includes
K
MAINT_LINE
is written in
Write all business rules depicted by the model.
Identify all of the cardinalities.
What should be the composite Primary key for the MAINT_LINE entity?
++
PART

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Step 1: Introduction to the database model.

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Step 2: 1. Write all business rules depicted by the model.

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Step 3: 2. Identify all of the cardinalities.

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Step 4: 3. What should be the composite Primary Key for the MAINT_LINE entity?

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