Technical Article

Buying A Plane

There's been a lot of bad press about 'corporate jets' in the news over the past year. Not that planes themselves have issues, but rather many questions about whether corporations are spending shareholder dollars appropriately. It's not a simple topic, but clearly there did seem to be a lack of awareness about how those kinds of things would be perceived in difficult financial times.

Technical Article

Moving to MySQL

It’s time. After years of building this site to work with SQL Server, I sold it to Red Gate Software. Part of that transaction meant that I had to work for Red Gate for a period of time afterwards. I think I’ve done a good job in that time, but I don’t own this site anymore, and can’t compete with it contractually.

External Article

The Concept of Cardinal Reciprocity- A Primer

Too many authors in the field of relational theory have neglected the concept of Cardinal Reciprocity. This can cause a number of subtle problems with database design in terms of its derivability, redundancy, and consistency. . Increasingly, this little-understood aspect of relational theory, that emphasises the cardinality of the attributes of tuples in a relation and the reciprocity with isomorphic foreign key restraints, is becoming a hot forum topic.

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Question of the Day

The Distance Metric

In the new VECTOR_DISTANCE() function in SQL Server 2025, the first parameter is the distance_metric. What is this?

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