Добавление колонки в таблицу orders, блокировки в PostgreSQL, проблемы с миграцией, оптимизация DDL, решение с LockGuard.

A few years ago I was asked to look at an executive dashboard that tracked sales pipeline across global regions. One region ...

Malek Damiri shows how to backtest a customer health score in SQL: point-in-time snapshots, churn by band, and AUC against a ...

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

Build a Python tracker for the Nintendo Switch 2 games list: scrape, dedupe, alert on new releases, and export a shareable list in 12 steps.

Bright Security Introduces STAR Fuzzer, Agentic Fuzzing That Writes Its Own Harnesses and Proves Every Finding ...

Ensure data pipeline reliability and troubleshoot issues fast by using standard Python logging directly in BigQuery UDFs for real-time observability.

Is Alteryx AI-native? Not from the ground up, though 2026 brought it a lot of new AI. Alteryx One is a mature visual canvas that added Ask Alteryx, which config ...

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

For those new to data analysis, I will explain how to handle NULL (empty fields), where mistakes are most common in SQL, using concrete examples and results. Understanding NULL will help you solve ...

This week’s security newsletter was dominated by a Pentagon personnel data breach affecting more than three million people, actively exploited zero-days in Apple CoreGraphics and Fortinet FortiMail, ...