Most of the guidance in the Kimball method for designing, developing, and deploying a DW/BI system is just that: guidance. There are hundreds or thousands of rules in the Kimball Group’s many books, and I confess to having bent many of those rules over the decades, when faced with conflicting goals or unpleasant political realities. […]

Time marches on and soon the collective retirement of the Kimball Group will be upon us. At the end of 2015 we will all retire. In my final Design Tip, I would like to share the perspective for DW/BI success I’ve gained from my 26 years in the data warehouse/business intelligence industry. While data warehousing […]

For my final Design Tip, I’m returning to a fundamental theme that’s not rocket science, but too often ignored: business-IT collaboration. If you buy into the proposition that the true measure of DW/BI success is business acceptance of the deliverables to improve their decision-making, then buying into the importance of collaboration should be easy. Achieving […]

I worked at a company called Metaphor back in the early 1980s. As part of a startup software company introducing then-cutting-edge concepts (such as folders, file drawers, and workflows on a graphical electronic desktop), I appreciated the benefits of using metaphors to represent seemingly complex concepts. Effective verbal and visual metaphors are able to convert complexity into […]

There are two powerful ideas at the foundation of most successful data warehouses. First, separate your systems. Second, build stars and cubes. In my previous column, I described a complete spectrum of design constraints and unavoidable realities facing the data warehouse designer. This was such a daunting list that I worried that you would head […]