Business Rules November 2009
Data models and class diagrams have never much focused on verb concepts. That omission is a harmful one. A well-organized…
Data Columns
Conquering the Logical-Physical Divide November 2009
Larry Burns discusses how Agile is changing the traditional role of the DBA.
Architecture Is Objective, Design Is Subjective November 2009
Avoiding Òmere implementation detailÓ is about ensuring that the IT architecture framework only provides information when it is needed at…
The Data Maze October 2009
Dan Sutherland explains the purpose of this new, quarterly TDAN column.
The Database Report – October 2009
Craig Mullins reports on the DBMS marketplace from July through September of 2009.
The Data Modeling Addict October 2009
Steve Hoberman presents examples of ÒReduce, Reuse, RecycleÓ as it applies to natural key values
Digging up Dollars: Data Mining in Practice October 2009
The question of how much data you need for data mining is very complicated, but often you can use what…
The Decision Model – September 2009
The Decision Model is a new development that brings rigor and sense to the management of business decisions. It is…
SELECT * FROM Celko – September 2009
In computer science, the term "orthagonal" generally is used to refer to programming languages that permit nesting of expressions without…
IT and BI Career Development September 2009
Jennifer Hay describes the benefits of creating a visual portfolio of your abilities and accomplishments.