Create an ER Model for the following requirements: A car has a make, model and year. A registration has a county and date. A person has an address and an age. A car may be owned by a person. A car may be registered to an owner. Explain your reasoning behind 1 choice you made between in the ER diagram in question 1. For example, why choose entity vs relationship, or weak entity vs ternary relationship, or use/disuse of an aggregation, or similar choices.
Create an ER Model for the following requirements: A car has a make, model and year. A registration has a county and date. A person has an address and an age. A car may be owned by a person. A car may be registered to an owner. Explain your reasoning behind 1 choice you made between in the ER diagram in question 1. For example, why choose entity vs relationship, or weak entity vs ternary relationship, or use/disuse of an aggregation, or similar 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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Create an ER Model for the following requirements:
- A car has a make, model and year.
- A registration has a county and date.
- A person has an address and an age.
- A car may be owned by a person.
- A car may be registered to an owner.
Explain your reasoning behind 1 choice you made between in the ER diagram in question 1. For example, why choose entity vs relationship, or weak entity vs ternary relationship, or use/disuse of an aggregation, or similar choices.
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