Demonstration of building basic ERD

Chapter 2 - Data Models

DealCo Relational Diagram I will complete problem 4 and 5 from your book (page

59)in this demo.

Our Midwest region contains several stores, 2 in Missouri, one in Kansas (etc..). Each of our stores employs between 50 to 75 employees each. Yes, we have several job titles and each employee has a job to do. In our Kansas City store, Jim is the manager, Mark, Sue and Bob are assistant managers, Kim and Jeff are a couple of our cashiers. And so on, and so on………

Demo for building DealCo ERD

containsis assigned to

One Region contains many StoresEach Store belongs in one Region

One Store has many EmployeesEach Employee is employed by one Store

One Job title is assigned to many EmployeesEach Employee has one Job title

1:M

1:M1:M

Write all the

Business Rules

Identify each

Relationship Type

references

The End

Until Next Time