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Sunday, 17 November 2013

What is Measure in Data warehouse


By on 10:58:00



Measure is normally a numeric value represents business values.

Can have multiple measures in a fact table.

Measures unlike dimensions give the fact numeric value instead of the detailed analysis.

Different types of measures are listed below:

1. Additive measures are measures that can be added across all dimensions. For example customer count in numbers can be added across all dimensions.

2. Semi-additive measures are measures that can be added across some, but not all dimensions. For example the bank account balance is simply a snapshot in time and cannot be added over time. However you could add multiple accounts of the same customer to get the total balance for that customer.

3. Non-additive measures are measures that cannot be added across any dimensions. For example the procurement is simply a snapshot in time and cannot be summed over time. Also you cannot combine procurement for various items.

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