In his decades-long career in tech journalism, Dennis has written about nearly every type of hardware and software. He was a founding editor of Ziff Davis’ Computer Select in the 1990s, senior ...

A security researcher armed with Anthropic's Claude says he found a bug in the ticketing system that sells passes to some of ...

A prototype cell partly capable of replicating itself has been created using 36 existing bacterial genes, but it's not really ...

A handful of start-up firms are testing therapies that target specific epigenetic markers to treat everything from high ...

Grasping how the nation’s highest court makes policy requires stepping into an exceptionally regulated and sometimes hidden routine.

When writing complex aggregations in SQL, you will encounter situations where you want to further process data that has already been aggregated. There are two ways to do this: subqueries and CTEs ...

Consistent SQL practice across varied platforms builds real job-ready confidence. Guided lessons help beginners, while timed challenges sharpen interview performance. Real datasets improve practical ...

Curious engineer writing about things that work, fail, and unexpectedly scale. SQL practice is boring because nothing feels real. You type SELECT * FROM users, get a green checkmark, move on. The data ...

Why is the language developers and DBAs use to organize data such a mess? Here are 13 reasons we wish we could quit SQL, even though we probably won't. For all its popularity and success, SQL is a ...

This time, I'm going to write about learning SQL. It all started with a casual comment from my teacher one day and a reference book placed in front of me. “You should try getting your hands on SQL ...