TL;DR: Learn how to manage data more effectively with the Complete 2021 SQL Master Class Bundle, on sale for 98% off. As of July 9, get the full course bundle for only $19.99.

Discover how to effectively learn SQL using ChatGPT, a powerful language model. Level up your SQL skills today!

Assuring optimal performance of database applications starts with coding properly formulated SQL. Poorly written SQL and application code is the cause of most performance problems. As much as 75% of ...

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.

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.