Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Define the below key terms (25 points) Data Model Relationship Business Rule Constraint Entity Given the below business rule identify the relationship between the entities.

Define the below key terms (25 points)

Data Model

Relationship

Business Rule

Constraint

Entity

Given the below business rule identify the relationship between the entities. (One to one, One to many, or many to many). The first one is filled in for you. (30 points)

For the Dragon Rider database a DRAGON is assigned to many RIDERS, a RIDER is assigned one DRAGON. One to Many

For the Car Service database, a CUSTOMER can own many CARS, a CAR is owned by one CUSTOMER.

In the Daycare Database, a CHILD can have many PARENTS, a PARENT can have many CHILDREN.

In the University Enrollment database, a STUDENT is assigned one FINANCIAL AID ACCOUNT. A FINANFICAL AID ACCOUNT belongs to one STUDENT.

In the Dragons database, a DEVICE is given one DEVICE ID, a DEVICE ID is assigned to one DEVICE.

A CUSTOMER can make many PAYMENTS, but each PAYMENT is made by only one CUSTOMER.

An EMPLOYEE is assigned to many PROJECTS. A PROJECT can be worked on by many EMPLOYEES.

What is data modeling? Why are data models important in the database design process? (10 points)

What are the four basic components of a data model? (10 points)

What three types of relationships exist? Give an example of each of the three types of relationships. (10 points)

How do you translate business rules into data model components? (10 points)

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Foundations of Lodging Management

Authors: David K. Hayes, Jack D. Ninemeier, Allisha A. Miller.

2nd edition

132560895, 978-0132560894

More Books

Students also viewed these General Management questions