1. Minidimension Example
Customer dimension has attributes removed
Customer key
Last name
First name …
Age
Gender
Income level
Customer key
Last name
First name …
Age
Gender
Income level
A new dimension is created
© Ron McFadyen

2. Minidimension Example
Dimensions
Fact table
Customer key
Last name
First name …
Customer key
Demographics key
Other keys
facts
Demographics key
Age
Gender
Income level
Another FK must be added to the fact table for mini-dimension
Demographics minidimension
© Ron McFadyen