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Types Of Facts In Data Warehouse

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by Ravindra Savaram
Last modified: February 27th 2021

1. Addictive Type:

Measurements in a fact table that can be summed up across all dimensions

Consider the following retail fact table:

Addictive TypeStore wise sales

Store wise sales

Product wise sales

Product wise sales

Daily Sales

Daily Sales

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2. Semi Addictive Fact:

Measurements in a fact table that can be summed up across only a few dimensions keys Following table is used to record current balance and profit margin for each id at a particular instance of time (Day end)

Semi Addictive Fact

In the above table, we cannot sum up current balance across Acct Id

If we ask balance for Id 21653 we will say that 22000, not 22000+80000

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3. Non-addictive fact:

Facts that cannot be summed up across any dimension key

Note: % and ratio columns are non-addictive facts

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4. Factless fact table:

A fact table without any measures is called the factless fact table

  • It contains only keys

  • It acts as a bridge between dimension keys

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About Author

author
NameRavindra Savaram
Author Bio

Ravindra Savaram is a Content Lead at Mindmajix.com. His passion lies in writing articles on the most popular IT platforms including Machine learning, DevOps, Data Science, Artificial Intelligence, RPA, Deep Learning, and so on. You can stay up to date on all these technologies by following him on LinkedIn and Twitter.