In the development business, there’s no excuse for a bad design. Unfortunately, you probably know developers who skip through or completely ignore the design process because they don’t understand the ...

For the past 20 years or so, we've seen a growing demand for accountability in the public and nonprofit sectors. It's not enough to document your program's outputs—say, the number of students who took ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. "Leadership" is a powerful word. We feel it when we are in ...

Logical Systems and Model Theory constitute a foundational area bridging mathematics, computer science and philosophy through the formalisation of reasoning. By abstracting the essential components of ...

Teradata Corp. has introduced the Utilities Logical Data Model (uLDM). As a utility's business needs evolve, the Teradata uLDM helps customer adapt their data warehouse physical model to ensure the ...

One of the principles within relational theory is that each entity’s row or tuple be uniquely identifiable. This means the defined structure includes some combination of attributes whose populated ...

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 ...

Reading a data model can be a little intimidating, and comprehending some of the larger models can be comparable to reading the schematic of a 747 airliner. Yet, new developers are often thrown into ...