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Amazon DynamoDB

Amazon DynamoDB Recently I have been looking at the DynamoDB from Amazon. This is a new offering that at the time of the document in the previous link, was still in beta. I am not sure of the current state. This is a NoSQL engine having much of the elasticity of MS Azure. A pay as you go model allows […]

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Slowly Changing Dimensions

(James Serra) When designing a data warehouse, how you handle changes to dimensional data over time is the most important decision to make. It is rare that a dimension will remain static over time. For example, a customer may change their phone number or their address, or a sales person may change