This tutorial introduces you to the most commonly used SQL aggregate functions including AVG, COUNT, MAX, MIN and SUM functions.

In this tutorial, you will learn how to find the maximum value in a group using the SQL MAX aggregate function.

This SQL Tutorial helps you master SQL quickly and effectively through many hands-on and practical examples with quizzes.

This page offers printable SQL Cheat Sheet with the most commonly used SQL statements for your convenience.

Jan 20, 2025 · This tutorial shows you how to use the SQL CURRENT_DATE function to get the current date of the database server.

Summary: in this tutorial, you will learn how to use the SQL CONCAT function to concatenate two or more strings into a single string.

SQL AGGREGATE FUNCTIONS AVG returns the average of a list COUNT returns the number of elements of a list SUM returns the total of a list MAX returns the maximum value in a list MIN …

Summary: in this tutorial, you’ll learn how to use the SQL RTRIM function to return a new with specified characters removed from the end of a string.

This tutorial introduces you to the SQL SQRT function that returns the square root