Overview
Syllabus
Dimensional Modeling The Heart of the Data Warehouse
Bryan Cafferky
What's Ahead?
Why a Data Warehouse?
When is it Not Appropriate?
Where do you start to design a data warehouse?
Transactional Database Design (OLTP)
What is Dimensional Modeling?
What's a Dimension?
What's a Fact?
The Star Schema
Star Schema-Key Points
The Snowflake Schema The Snowflake Schema
Why Surrogate Keys?
Steps of Dimensional Modeling Review
The Bus Matrix
The Seven W's of Data Warehouse Design - User Story
Seven W's of Data Warehouse Design and the User Story
Slowly Changing Dimensions
Slowly Changing Dimension-Type 3
Some Additional Thoughts...
Taught by
Bryan Cafferky