Celebrating 20 Years of TDAN.com
On June 22, 1997, The Data Administration Newsletter (TDAN.com) went live on the internet. The publication started online at stargate.net/TDAN…
Data Modeling News, Articles, & Education
Get a thorough Data Modeling education through TDAN’s Business Intelligence articles, news, and blogs.
Autonomics to Modernize DB Administration
There is a clear trend to automate and enable computerized tasks to streamline and optimize administrative and maintenance tasks. Many…
Recursive Queries for Hierarchical Data Retrieval
One of the most fascinating features of SQL is its ability to execute recursive queries. Like sub-queries, recursive queries save…
SQL Drawing Blanks? It’s NULL a Surprise!
Is your SQL drawing a blank? It’s NULL a surprise! The title of this post is a play on words,…
Understand Relational to Understand the Secrets of Data
I don’t like talking about the relational theory of data. It is absolutely fundamental to any deep understanding of data,…
Benefits of Modeling Apply to NoSQL
Information drives businesses who make decisions based on data. Data is a corporate asset. Data modeling is critical to understanding…
Semantic Business Vocabulary and Rules (SBVR)
I. Introduction Information Systems (IS) play an important role in business because they implement the business process. However, designing, refining…
Data Architecture COMN Sense: Data Types and Roles
One of the most illuminating lessons I’ve learned about data modeling came from Len Silverston’s universal data models, where he…
Data Architecture COMN Sense: Big Knowledge?
We are coming to grips with big data through analytical techniques that enable us to reduce it to useful insights…
The Business of Data: The Best of Donna
Note from the publisher: This is the final column of the latest TDAN.com series from our friend, Donna Burbank. Donna has…