SQL remains the foundation for turning raw records into reports and business insights across industriesCore queries like ...

Getting ready for a SQL interview can feel like a big task. There are so many things to know, and interviewers love to ask about them! This guide is here to help. We’ve gathered some of the most ...

Hello, I have a query where Postgres and DuckDB handle aggregations differently. Our understanding is that this is a case where the SQL standard is vague and wanted to ask what semantics you mean to ...

A small but annoying change in iOS 26 beta has been driving Mail app users bananas since June. As of beta 5, however, Apple has reverted that change and avoided making even more people complain. The ...

Fortinet has released fixes for a critical security flaw impacting FortiWeb that could enable an unauthenticated attacker to run arbitrary database commands on susceptible instances. Tracked as ...

Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...

Welcome to Tool Tip Tuesday for Adobe Premiere Pro on ProVideo Coalition. Every week, we will share a new tooltip to save time when working in Adobe Premiere Pro. An unmapped keyboard shortcut in ...

1 Faculty of Science, Ontario Tech University, Oshawa, Canada. 2 Faculty of Business and IT, Ontario Tech University, Oshawa, Canada. 3 Legion Development Group, Oshawa, Canada. This study presents a ...

SQL is the de facto query language used to interact with databases. Since SQL is declarative, users express the intended result of their query rather than the concrete procedural steps to produce the ...

1️) Scalar Subquery in SELECT: SELECT e.emp_id, e.emp_name, e.salary, (SELECT ROUND(AVG(salary), 2) FROM employees WHERE dept_id = e.dept_id) AS dept_avg_salary FROM employees e; 2️) Correlated ...