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  • How long will the modeling take?

    Don’t you just dread being asked the question, “How long will the modeling take?” I usually react to this question with another question: “How much time are you giving me?” Often however, it comes down to me rolling up my sleeves and coming up with an...

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    Steve Hoberman
  • SCD Type 3 for me?

    History requirements need to be addressed when designing reporting systems. If Bob our Customer moves five times in the last year for example, we can choose to capture only the most current information where Bob lives today, which is known as a Type 1 Slowly Changing...

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    Steve Hoberman
  • Who is responsible for the data model actually being used?

    I was recently talking with a group of data architects on how to review a data model using the Data Model Scorecard®. The Scorecard contains ten categories that validate the strengths and areas for improvement in a data model concerning requirements, good design principles, and standards....

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    Steve Hoberman
  • Data Slang

    During a recent Data Modeling Master Class, a participant was describing a data integration challenge and used the terms ‘munged’ and ‘refarkle’ in his explanation. Here are their definitions: munged – “To transform data in an undefined or unexplained manner” (Wikipedia)refarkle – To break a complex...

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    Steve Hoberman
  • Making the Connections

    One of the most frequently asked questions I have received this past year during my data modeling classes is “What’s a good mapping tool?” That is, what software tool would you recommend for capturing and displaying how a logical attribute is represented in one or more...

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    Steve Hoberman