SQL (Structured Query Language) is a programming language designed for the retrieval and management of data in a relational database.
SQL is the bedrock of business intelligence. This SQL tutorial provides basic and advanced concepts of SQL, designed for beginners and professionals. No prior DB experience is required.
It's time to dive in and learn some basics of SQL.
Once you have the basics mastered, this section will take your knowledge to the next level.
This section covers the advanced SQL topics including correlated subqueries, SQL Window Functions and SQL JOINS.