Do you currently have your Data Modeling Certification? Each month I’ll post a question similar to what will appear... At Data Modeling Zone Europe, I will be teaching a full day Advanced Data Modeling Challenges Workshop. I always... I am heads down on my next book, which is a book on the power of the conceptual data... An attribute that is defined as an indicator has only two values, such as Active/Inactive, Yes/No, True/False, and On/Off.... I review many data models throughout the year using the Data Model Scorecard technique, and over 95% of the... A candidate key is an attribute (or set of attributes) that identifies an entity. A candidate key is either... One of my New Year’s Resolutions this year is to learn more about JSON. More specifically, how does JSON... In the free Data Model Scorecard Validation Tool, there are five “killer” questions out of the over 150 questions... In the free Data Model Scorecard Validation Tool, there are five “killer” questions out of the over 150 questions... In the free Data Model Scorecard Validation Tool, there are five “killer” questions out of the over 150 questions...Blogs
Data Modeling Certification Practice Question #1
Most difficult data modeling questions
Captivating name for CDM?
Can an indicator be NULL?
Ambiguity in Definitions
Is stability an important property for a candidate key on the logical data model?
Learning more about JSON
The fifth of the five killer questions: Omissions
The fourth of the five killer questions: Time
The third of the five killer questions: Filter
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