SQL NULL Pitfalls: Why NOT IN Returns Zero Results and 3 Points Where MySQL and Oracle Behaviors Diverge

Introduction"I want to list customers who haven't ordered, but I get zero results," or "The count doesn't match when I ...

[Database Series 07] Understand Indexes! Why the Same SQL Can Have Vastly Different Search Speeds

The theme for this session is database "indexes".Indexes are one of the technologies you absolutely must understand when ...
MarketScale

For constant plant-floor process streams, a data historian is often a better fit than SQL Server or Oracle

Bill Schmidt (Renson House) explains when a data historian fits plant process data better than SQL Server or Oracle—and where historians hit limits.
Newsweek

US Election ‘Nostradamus’ Allan Lichtman Is Back With 10 New Keys

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Allan Lichtman has outlined a new 10-point framework for assessing ...