The RDBMS is Dead
If you suspected the title of this blog is click-bait, then you would be correct. But bear with me anyway…
Data Architecture Blogs
Data Architecture Blogs
How to Evaluate a DBA Job Offer
As a DBA, it is almost inevitable that you will change jobs several times during your career. When making a…
Non-Relational Databases Have Relationships Too
Isn’t it ironic that a technology that bears the label of “schema-less” is also known for the fact that schema…
Three Levels of Models Versus Business
Three Levels of Model Abstraction Traditional entity-relationship (E-R) modeling recognizes three different levels of abstraction at which models are developed:…
The Duck-Billed Platypus, or How Strict Data Hierarchies Can Choke You
You might remember back to your early school days, when you learned about the five major divisions of the vertebrates…
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 – Is the Data Warehouse Dead?
It was a pleasure to attend a data warehousing event in Austin, Texas in early December to take a few…
Data Architecture COMN Sense: What are Data and Information?
Occasionally I encounter discussions on various social media sites arguing passionately about the definitions of the terms “data” and “information.”…
Data Architecture COMN Sense – The Missing Logical Layer in Data Management
Around 2009 someone used the term “NoSQL” to describe an emerging class of database management systems (DBMSs) that, as the…
Data Architecture COMN Sense: Relationships in Structured Data
In my blog last month, we looked at five aspects of relationship types, relationships in graphs, and how relationships are…