Over time, I have noticed a great increase in the complexity and number of elements included in dimensional models. We see increased sophistication of the business community and the ever-increasing size and complexity of data being captured by our operational systems. We need to balance many factors in order to deliver something quickly and be prepared for the future. The most successful projects keep the business community involved throughout the life of a project. Additionally, with the rate of change of technology, you don't want to be married too closely to a specific product.

How do you do it all? After working on literally hundreds of projects, I have developed an approach to dimensional modeling and a diagramming technique that will help you develop the model itself, facilitate discussion, foster communication and help you manage expectations. This month I will share the diagram notation, and next month I will delve into the process that has been successful over time.

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