Review the data model
1- Provide definitions of each of the following components:
a- Entities
b- Attributes
c- Relationships
d- Primary keys
Identify each of the components from the data model above:
2- Review data models at the attached website (see resources www.databaseanswers.org). Select a basic data model from this website. Provide a graphic of the data model and identify the following information:
a- Entities
b- Attributes
c- Relationships
d- Primary keys
3- Provide three advantages/reasons to develop a data model.

Transcribed Image Text:

A Conceptual Data Model for Car Hire Barry Williams - Database Anawers.com 8th. December 2001 Customer sustomer id customer_name customer_details gender Manufacturer manufacturer code manufacturer_name manufacturer_details email_address phone_number address_line_1 address_line_2 address_line_3 town county country Model model code daily_hire_rate model_name Vehicle Booking Status booking tatus code booking_status_description rea number current_mileage daily_hire_rate date_mot_due engine_size Vehicle Category Booking vehicle categony code vehicle_category_desoription booking id date_from date_to confirmation_letter_sent_yn payment_received_yn