Overview: SQL remains a core skill for data management across industries in 2026Free courses build fundamentals while paid ...

Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier. Due to popular demand, we’re ...

Data is what drives today’s world. It’s how we quantify financial markets and how we magically discover a new series on Netflix. It’s how Google knows what to recommend to us and how autonomous ...

Shelley Doll finishes her coverage of SQL data types with an overview of datetime and interval data types. Learn more about the basic syntax of these standard SQL types. Datetimes and intervals are ...