Intermediate SQL tutorial demonstrating REGEXP for advanced filtering, IF & CASE statements to create categories, SUBQUERIES ...

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

The theme for this time is SQL "execution plans."Execution plans are one of the technologies you absolutely must understand when considering database performance.However, this content might also be a ...

Hard SQL interview questions test the advanced problem solving skills expected in many medium and senior level data analyst ...

A join filter allows a table to be filtered based on how a related table in the publication is filtered. Typically a parent table is filtered using a parameterized filter; then one or more join ...

Cortex Analyst helps businesses query their data using natural language by translating it into SQL. This works thanks to a semantic model that connects business terms to database schema. It guides ...

I want to note right away that this article is written exclusively for people who are just starting their journey in learning SQL and window functions. It may not cover complex applications of ...

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 ...

The job market for professionals with Structured Query Language (SQL) skills is experiencing a robust and growing demand across a variety of industries, making now a great time to pursue training in ...

Каждый, кто работает с SQL, рано или поздно усваивает "золотое правило": "Никогда не используй коррелированные подзапросы в SELECT!". Нам говорят ...

🕵️ SQL Murder Mystery: Who Killed the CEO? Capstone Project – 21-Day SQL With IDC Challenge Welcome to my investigation into the mysterious death of the CEO of TechNova Inc., solved entirely using ...

This project demonstrates my SQL and data analysis skills using the FIFA 26 (FC 26) player dataset. The dataset includes detailed information about football players, their clubs, leagues, and stats.