Based on a challenge submitted by Ben Ettlinger – thanks Ben!We are building a web application that will allow... I am cheating just a bit with this challenge, as this is one of the ones from my new book... The Logical Data Model (LDM) is a model showing the rules behind how something works independent of context. Context... I very recently had the opportunity to work with a large telecommunications company as they embarked on an enterprise... A university needs a unique identifier for an individual. There is a Person Identifier assigned by the university to... A data model is a communication tool, and therefore the arrangement of the entities and relationships can dramatically impact... As a data modeling expert in your company, you are frequently being asked modeling advice. On your way to... A global direct marketing company has hired you to be their data warehouse data modeler. You need to model... You are sitting in a smoky bar and you hear some loud voices becoming louder at the other end... As a data modeling expert in your company, you are frequently being asked modeling advice. After dazzling your coworkers...Blogs
A Permission Puzzle
A Recursive Riddle
Logical Data Modeling in practice
Enterprise Data Model ROI
The Person Identifier
Medals for Model Layout
To surrogate key or not to surrogate key, that is the question
Global Address
Dimensional logical?
Aggregation, summarization, and abstraction demystified
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