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Observations on the data modeling profession
Here are three observations I plan on making at Data Modeling Zone that summarize the last 12 months on...
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Impact of a global ledger
My brother was recently explaining Blockchain to me, and how it can revolutionize areas such as commerce and healthcare....
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Can a developer read an entity/relationship diagram?
During a recent data modeling training class, someone asked based on my experience, can developers read entity/relationship diagrams? This question...
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Technical questions asked during a job interview for a data-related position
I was very recently teaching a data modeling course and decided to make the normalization section a bit more...
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Taming the wild west modeler
When I tell folks about these design challenges, I sometimes receive comments like “So you get other people to...
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A tough rule
The model below is from an actual project (with the subject matter changed to protect the innocent entities): The...
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A Permission Puzzle
Based on a challenge submitted by Ben Ettlinger – thanks Ben!We are building a web application that will allow...
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Role of the data architect
At the beginning of a data modeling course, I find it very useful to learn more about the participants....
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AAs vs. DAs
Occasionally a battle erupts in our department between the application architects (AAs) and the data architects (DAs). For example,...
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Data Modeling in the Cloud
Cloud computing is the outsourcing of hardware, software, and network, allowing us to view and change information through web...