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  • Data Modeling Certification Practice Question #2

    Do you currently have your Data Modeling Certification? Each month I’ll post a question similar to what will appear in the Data Modeling Institute‘s Data Modeling Certification exam. Answer the question below and click the “Ready to see the answer” button below the question to see...

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    Steve Hoberman

  • Data Modeling Certification Practice Question #1

    Do you currently have your Data Modeling Certification? Each month I’ll post a question similar to what will appear in the Data Modeling Institute‘s Data Modeling Certification exam. Answer the question below and click the “Ready to see the answer” button below the question to see...

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    Steve Hoberman

  • Most difficult data modeling questions

    At Data Modeling Zone Europe, I will be teaching a full day Advanced Data Modeling Challenges Workshop. I always love to end these workshops by asking a few difficult data modeling questions that I have been asked over the last 12 months. For example, at last...

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    Steve Hoberman

  • Captivating name for CDM?

    I am heads down on my next book, which is a book on the power of the conceptual data model. The book is written for business managers and business analysts, and I therefore hesitate to use the term “conceptual data model”. Years ago, I’ve called this...

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    Steve Hoberman

  • Can an indicator be NULL?

    An attribute that is defined as an indicator has only two values, such as Active/Inactive, Yes/No, True/False, and On/Off. I was asked during a training class this week if NULL (empty) can also be a value. Can an indicator attribute have three values, such as Active,...

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    Steve Hoberman