Normalization Exercise

First Normal Form

Second Normal Form

Third Normal Form

Entity Relationship Diagram

Construct an ER diagram for a car-insurance company whose customers own one or more cars each. Each car has associated with it zero to any number of recorded accidents. Each customer has a unique ID number, first and last name, mailing address and phone number. Each car has a make, model, model year, color and registration number. Each accident has a date, location, name and mailing address of others involved, and cost to the insurance company.

Customer Owns Vehicle Involved In Accident

ID

Name

Address

Phone

Make

Model

Year

Color

Reg. Number

Location

Date

Cost

Name

Address

CollidedWith

Others Involved