computer-crisis

What’s The Real Burden in ETL?


Readers of our corporate blog and followers of the Kalido message know we have been promoting “No ETL” in the context of data warehousing. Inevitably this leads to ETL tool vendor outrage at the notion that you don’t need ETL. So let me be clear: we believe you will always need the concept of Extract, […]

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TD warehouse cost

The less things change, the more they stay the same


In 2012, we surveyed attendees at TDWI World Conferences regarding topics related to data warehousing: how they handle change, how long it takes to deploy new data, costs associated with supporting the data warehouse and so on. Over this period we received well over 500 responses and have blogged about it and shared information in […]

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Forrester Wave

Where’s My Magic Quadrant?


When I got involved with Kalido over 15 years ago, we had big plans to change the world of data warehousing, and we still do.  However, one frustration we’ve had over the years is recognition from the major analyst firms that how we build data warehouses is fundamentally different and merits a “Quadrant” or “Wave” […]

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dice-blurred

Dear Data Scientist: Your Data Warehouse Is Blurring Your Vision


Look at the blurry image. If I gave you until the end of the day, could you tell me what it is? The patterns in the data tell you that “something” is there, but what? Iteratively increasing the pixels in the field of interest—resolution–brings those patterns into focus. Each iteration makes it clearer. Sharpening business […]

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Estimating Velocity


Velocity is perhaps the most important concept in agile development. In his recent Agile 101 class at the TDWI BI Summit in San Diego, Ralph Hughes defined velocity as “The number of story points that can be delivered comfortably in an iteration.” That estimate effects many other estimates, such as the size and mix of […]

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