These top data modeling tools and applications enable users to build conceptual and logical data models that deliver significant competitive advantage. Written by eWEEK content and product ...

In the simplest terms, a logical data model is a visual representation of the business rules and requirements covering the universe-of-discourse for a given solution or enterprise, along with some ...

If one finds this not to be true and is frequently running into entities that have many columns and have a need to use all columns to comprise a unique identifier, then one might best take a step back ...