Wednesday, February 7, 2018

Fact Table

Fact Table


Type of Fact-

1-Additive- Additive facts are facts that can be summed through all of the dimensions in the fact table.
2-Semi-Additive- Semi-aditive facts are that can be summed through some of the dimensions and cannot be summed through some dimensions.
3-Non-Additive- Non-additive facts are that can not be summed up for any dimensions in fact table

Factless Fact table-

A factless table is fact table which does not contains any measure. It is just an intersection of dimenstions.