according to kimball and kimball the principal of the rational purchases is
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Inmon versus Kimball is one of the biggest data modelling debates among data warehouse architects. Here is some help to select your own approach
Sansu George
When it comes to designing a data warehouse for your business, the two most commonly discussed methods are the approaches introduced by Bill Inmon and Ralph Kimball. Debates on which one is better and more effective have lasted for years. But a clear-cut answer has never been arrived upon, as both philosophies have their own advantages and differentiating
Rational purchases-according to kimball and kimball:
Rational purchases are a type of purchase that are made based on certain other externally effecting factors, and also based on ones judgment and interests. This type of purchasing is also done by comparing the product to different types of products in terms of price, preferences etc.
There are 6 main principles when it comes to rational purchases they are:
- Right Quality
- Right Quantity
- Right Price
- Right Source
- Right time
- Right place.
The customer makes a rational purchase when he feels that the product has a better quality, quantity, price, source, sold at a particular time, and a proper delivery place compared to other products and chooses the product which fulfills his satisfaction to the maximum level.