Dimensional Modeling
Learn SQL dimensional modeling with practical examples and guided drills on dbSyntax.
Start with Star Schema BasicsStar Schema Basics
Use this page as an implementation reference for building a datamart with fact and dimension tables. Goal: define the correct grain model di...
Fact Table Patterns
Use this page as a design guide for selecting the correct fact table pattern. Goal: choose the right fact type for your business process def...
SCD Type 1, 2, and 3
Use this page as a practical implementation guide for Slowly Changing Dimensions (SCDs). Goal: choose the correct SCD pattern for each attri...
Bridge Tables and Many-to-Many Modeling
Use this page to model many-to-many relationships safely in dimensional systems. Goal: preserve business meaning for multivalued relationshi...