This SQL Tutorial helps you master SQL quickly and effectively with clear concepts, hands-on examples, and interactive quizzes. Whether you’re a software developer, database …

SQL Playground is a free and interactive tool to practice SQL statements online.

Summary: In this tutorial, you’ll understand the databases and SQL, the standard language for interacting with the databases. Introduction to databases # A database is a structured …

Basic SQL statement structures are verbs, subjects, and conditions. Most SQL statements follow a pattern: Verb (Action): is the action you want the database to do, such as SELECT , INSERT …

This tutorial introduces you SQL GROUP BY that combines rows into groups and apply aggregate function such as AVG, SUM, COUNT, MIN, MAX to each group.

This tutorial shows you how to use the SQL DISTINCT operator to select distinct rows from a result set in the SELECT statement.

In this tutorial, you will learn about the SQL triggers concept and how to develop simple triggers in the database system.

Introduction to SQL LIKE operator # The LIKE operator is one of the SQL logical operators. The LIKE operator returns true if a value matches a pattern or false otherwise. Here’s the syntax of …

Practice SQL query using the SQL Editor online with sample data

This section provides you with many built-in SQL functions including aggregate functions, date functions, string functions, control flow functions, window functions, and math functions.