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.
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CASE Statements in PostgreSQL
In this tutorial, you'll learn how to write conditional queries in PostgreSQL using the PostgreSQL CASE conditional expression.
Sayak Paul
April 3, 2019
10 Command-line Utilities in PostgreSQL
In this tutorial, learn about 10 handy command-line utilities in PostgreSQL which can enable you to interact with databases efficiently.
Sayak Paul
March 29, 2019
SQL with Power BI
In this tutorial, you'll learn how to connect Power BI to a Microsoft SQL Server database and then analyze the data to get insights.
Parul Pandey
March 28, 2019
Beginners Guide to SQLite
Learn the basics of SQLite databases from SQLite dot commands to an example of their practical applications using the command line interface.
Francisco Javier Carrera Arias
March 22, 2019
Introduction to SQL Joins
In this tutorial, you'll learn about the mechanics of joins in SQL and its different types.
Sayak Paul
March 20, 2019
How to Use SQLite in Python
In this tutorial, you will learn about using SQLite, an extremely light-weight Relational database management system (RDBMS) in Python.
Sayak Paul
March 12, 2019
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
January 9, 2025
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
April 22, 2025
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