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 ...

I Had AI 'Inventory' My 30-Year Career | Lessons from My 50s for Those in Their 30s to Use Now #1

It has been about a year since I last updated my note.Writing about myself using my own life as material was quite difficult. This time, I had an AI interview me, which made it much easier.So, I will ...
shattered.io

Xbox Handheld Release Date Tracker: 12 Steps, 45 Min [2026]

Build a free 12-step tracker for the Xbox handheld release date: ROG Xbox Ally, Ally X, Ally X20 prices, restocks, and ...
HackerNoon

How to Calculate Net Revenue Retention in SQL Without Fooling Yourself

NRR is easy to inflate by accident. Runnable SQL for net and gross revenue retention, the retention bridge, a monthly trend, ...

Arista Networks: No Pricing Power And No Durable Business Model

Arista Networks is rated Sell, as revenue growth is offset by weak pricing power, supplier dependence, execution risk, and ...
InfoQ

Amazon Acquires DuckLabs and Integrates DuckDB in Amazon Aurora PostgreSQL

Amazon has acquired DuckLabs, the company behind the analytical database DuckDB. Co-founders Hannes Mühleisen and Mark ...