Category
Technologies
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.
Other technologies:
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.
Parul Pandey
March 5, 2019
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
March 4, 2019
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
March 1, 2019
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
February 27, 2019
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
February 22, 2019
Working with Spreadsheets in SQL
In this tutorial, learn how to import a spreadsheet into PostgreSQL and perform analysis on it.
Sayak Paul
February 15, 2019
Managing Databases in PostgreSQL
In this tutorial, you will learn how to create, drop and select a database in SQL.
Sayak Paul
February 7, 2019
Beginner's Guide to PostgreSQL
In this tutorial, you will learn how to write simple SQL queries in PostgreSQL.
Sayak Paul
February 5, 2019
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
Eugenia Anello
February 21, 2023
Reducing Rework as a SQL Data Analyst
In this tutorial, you will learn how to maximize your time in SQL to become more productive.
Michael Ritchie
January 28, 2019
SQL Tutorial: How To Write Better Queries
Learn about anti-patterns, execution plans, time complexity, query tuning, and optimization in SQL.
Karlijn Willems
December 19, 2022
Introduction to Indexing in SQL
In this tutorial, learn about indexing in databases and different types of indexing techniques.
Sayak Paul
December 18, 2018