3 Feb 2023 Jakub Romanowski Free Course of the Month – PostgreSQL JOINs Our PostgreSQL JOINs course will help you consolidate your knowledge of working with data from two or more tables in a PostgreSQL database. Throughout the month of February 2023, this awesome SQL course is absolutely FREE! Wondering why we want to give you this SQL course for free? We've been doing this for a long time. Every month, we choose one of our interactive online SQL courses and give users free access to it. Read more 6 Jan 2023 Jakub Romanowski Free SQL Course of the Month – Window Functions in PostgreSQL Are you looking for the best way to master SQL window functions? In this article, I'll show you how you can do so for free. Throughout January 2023, you can access the interactive course Window Functions in PostgreSQL for free. Hurry, time is running out! Need a free PostgreSQL course on window functions? You've come to the right place! If you are reading this article, you probably know PostgreSQL is one of the most popular databases in the world. Read more 1 Dec 2022 Jakub Romanowski Free Course of the Month – Common Functions in PostgreSQL Do you want to be able to use popular PostgreSQL functions and process different types of data more easily? You've come to the right place! Here is the Common Functions in PostgreSQL course. Throughout the month of December 2022, this SQL course is absolutely FREE! You are probably wondering why LearnSQL.com is offering a free SQL course. Well, we've been doing this for a long time. We choose one of our courses every month and give users free access to it. Read more 3 Nov 2022 Jakub Romanowski SQL Track of the Season: SQL from A to Z in MS SQL Server Maybe your company uses MS SQL Server and you’d like to join the data analysis team. Or maybe you want to add a new skill to your CV. Either way, our SQL Track of the Season: SQL from A to Z in MS SQL Server, will help. In this article, I’ll answer common questions about this awesome set of online MS SQL Server courses. If you’re reading this blog post, you probably already know that you should start learning SQL and working with databases. Read more 1 Nov 2022 Jakub Romanowski Free Course of the Month – GROUP BY Extensions in PostgreSQL Do you work with data? Want to be able to create better and more sophisticated SQL reports? Then check out our interactive GROUP BY Extensions in PostgreSQL course. In November 2022, you can complete this online PostgreSQL course for FREE! How can you get this free SQL course in November? Create a free com account or log in if you already have one. Start the course. You will have free access to its content until the end of the month. Read more 3 Oct 2022 Jakub Romanowski Free SQL Course of the Month – Creating Basic SQL Reports in PostgreSQL If you are looking for a course that takes your PostgreSQL skills to a completely different level, you've come to the right place. This October, SQL Reporting in PostgreSQL isfor our Free SQL Course of the Month!. It's just awesome – I'll tell you why. Do you want to be even better at SQL? Do you know the basics and want your SQL reports to be even more sophisticated? Or maybe you are just starting your adventure with PostgreSQL and want to gain new skills. Read more 19 Aug 2022 Jakub Romanowski LearnSQL Track of the Season: Creating Database Structure Summer is a great time to learn something new! Have you heard about data engineering? It’s one of today’s hottest skills. In this article, I'll show you why we selected our Creating Database Structures track as our SQL Track of the Season – and why it’s your ticket to a new career! LearnSQL.com offers online SQL training tracks – logically structured and well-thought-out learning paths that will help you work towards becoming an SQL expert. Read more 4 Aug 2022 Jakub Romanowski Lesser-Known SQL YouTube Channels You Need to Follow Now! Are you learning SQL? Many beginners start with YouTube tutorials. However, popular SQL clips are not always very helpful. You need to know which ones to watch so that you don't waste your time. In this article, I discuss SQL YouTube channels that, while not the most popular, deserve your attention. Click "subscribe" and watch! Those who follow my articles on LearnSQL.com know I'm not a huge fan of learning SQL from YouTube. Read more 5 Jul 2022 Jakub Romanowski Free Course of the Month – Writing User-Defined Functions in PostgreSQL Why learn to write user-defined functions? I’ll explain in this article – and how you can learn for free during July 2022 with this LearnSQL.com PostgreSQL course! PostgreSQL is one of the most popular databases in the world. This is mainly due to its great functionality and the fact that it’s open source (i.e. free!). Postgres is fast, it runs on multiple systems, and it’s suitable for almost any application. Read more 1 Jun 2022 Jakub Romanowski Free SQL Course of the Month – PostGIS What is PostGIS, and why should you learn it? (Hint: Our SQL PostGIS course is free throughout June 2022!) Did you know databases can store geographic data? This is how interactive maps are made, most often based on PostGIS. In this article, I will tell you what PostGIS is and why it’s worth learning. Moreover, I am going to offer you an awesome online PostGIS SQL course which you can do for free during June 2022! Read more «« « 1 2 3 … 8 » »»