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SQL Tutorials

Keep up to date with the latest techniques and resources for SQL Server. Our tutorials are full of free SQL Server training tips to help you learn, build, & grow.
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Data Analysis

Introduction to the Where Clause in SQL

In this tutorial, you will be introduced to filtering rows in SQL using the where clause.

Sayak Paul

March 15, 2019

SQL

SQL with Tableau

In this tutorial, you will learn how to connect Tableau to a Microsoft SQL Server database and then analyze the data to get insights.
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Parul Pandey

March 5, 2019

SQL

Introduction to the ALTER TABLE Statement in SQL

In this tutorial, you will learn how to use and apply the ALTER TABLE statement in SQL.
Sayak Paul's photo

Sayak Paul

March 4, 2019

SQL

Views (Virtual Tables) in SQL

In this tutorial, you will learn what views are, the different types available, and the pros and cons of using them.
Avinash Navlani's photo

Avinash Navlani

March 1, 2019

SQL

Using ORDER BY Keyword in SQL

In this tutorial, you will learn how to use and apply the ORDER BY keyword in SQL.
Sayak Paul's photo

Sayak Paul

February 27, 2019

SQL

How to Install PostgreSQL on Windows and Mac OS X

In this tutorial, you will learn how to install PostgreSQL on two different operating systems - Windows and Mac.
Sayak Paul's photo

Sayak Paul

February 22, 2019

SQL

Working with Spreadsheets in SQL

In this tutorial, learn how to import a spreadsheet into PostgreSQL and perform analysis on it.
Sayak Paul's photo

Sayak Paul

February 15, 2019

SQL

Managing Databases in PostgreSQL

In this tutorial, you will learn how to create, drop and select a database in SQL.
Sayak Paul's photo

Sayak Paul

February 7, 2019

SQL

Beginner's Guide to PostgreSQL

In this tutorial, you will learn how to write simple SQL queries in PostgreSQL.
Sayak Paul's photo

Sayak Paul

February 5, 2019

SQL

How to Use GROUP BY and HAVING in SQL

An intuitive guide for discovering the two most popular SQL commands to aggregate rows of your dataset
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Eugenia Anello

February 21, 2023

SQL

SQL Tutorial: How To Write Better Queries

Learn about anti-patterns, execution plans, time complexity, query tuning, and optimization in SQL.
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Karlijn Willems

December 19, 2022