1 Jul 2021 LearnSQL.com Team New Monthly SQL Practice for July 2021! If you are a more advanced SQL user who is comfortable writing complex JOINs, you can check your knowledge with July’s SQL Practice. Every month on LearnSQL.com, you‘ll find a new challenge to solve. Maybe this is the first time you’ve come across our Monthly SQL Practices. LearnSQL.com offers one free SQL Practice each month: basic levels on even-numbered months and advanced levels on odd-numbered months. Each SQL Practice takes about an hour (or less! Read more 1 Jun 2021 LearnSQL.com Team New Monthly SQL Practice for June 2021! If you have fundamental SQL skills and know how to write queries, check out our new SQL Practice, available every month on LearnSQL.com. The June SQL Practice is for people who’ve mastered the basics of SQL. You’ll practice your SQL knowledge helping Jennifer with her dog sitting business – a service that brings together dog owners with people who can care for the pets when the owners are away. Read more 4 May 2021 LearnSQL.com Team SQL Course of the Month – SQL Practice Set Are you starting your adventure with SQL and looking for a place to practice your SQL queries? Or maybe you are preparing for a job interview? I have good news for you. Throughout May, you will have access to our amazing SQL practice course for FREE! Why is LearnSQL.com giving you a free SQL course? Every month, our users get the opportunity to take one of our great SQL courses for free. Read more 1 May 2021 LearnSQL.com Team New Monthly SQL Practice for May 2021! Are you ready to use your SQL skills to write fundamental SQL queries that solve real-world problems? Do it with our new SQL Practice course on LearnSQL.com. The May SQL Practice is at an advanced level. Our main character this month, Luke, needs your help. You will test your SQL skills by using family tree data created by his brother. If this is the first time you've come across our monthly SQL Practices, here is some more information about them. Read more 28 Apr 2021 LearnSQL.com Team Breaking With Filing Cabinets: The History of PostgreSQL This July, PostgreSQL turns 25. It has had an extensive influence on computing. Thanks to PostgreSQL, the world said “Goodbye!” to filing cabinets as the standard for storing and processing data. So, who created PostgreSQL, and how has it changed over the decades? There are quite a few PostgreSQL enthusiasts among my colleagues at LearnSQL.com. It is simply a great database solution. Why? It is free and open-source. So, you can use it for free, even for commercial uses. Read more 1 Apr 2021 LearnSQL.com Team New Monthly SQL Practice for April 2021! Are you ready to use SQL skills to write queries that resolve business problems? Give it a try in the new Monthly SQL Practice on LearnSQL.com. The April SQL Practice is for people with a basic level of SQL proficiency. You will test your SQL skills based on data about an apartment rental agency in Chicago, USA. If this is the first time you’ve come across our Monthly SQL Practices, you should know that LearnSQL. Read more 1 Mar 2021 LearnSQL.com Team New Monthly SQL Practice for March 2021! Are you ready to use your SQL skills to create reports and help resolve business problems? You can do this with our new SQL Practice on LearnSQL.com! The March SQL Practice is at an advanced level. You will test your SQL skills by creating reports with data about language courses in the U.S. If this is the first time you’ve come across our Monthly SQL Practices, LearnSQL.com offers one free SQL Practice each month (at the basic level in the even months and at the advanced level in the odd months). Read more 1 Mar 2021 LearnSQL.com Team Free SQL Course of the Month – Window Functions Are you looking for a good SQL window functions course? What if I told you that throughout March, you could access the best window functions course in the world for absolutely FREE? You read that right: you won't pay a dime! Hurry up! Time is running out! But wait – why is LearnSQL.com giving you a free SQL course? Well, we believe sometimes you just have to be good to others. Read more 2 Feb 2021 LearnSQL.com Team SQL Course of the Month – SQL JOINs If you want to really learn SQL, you can’t skip SQL JOINs. They are some of the most fundamental and commonly used features of the SQL language. That’s why SQL JOINs is our February SQL Course of the Month. What makes SQL JOINs so important? I asked Agnieszka Kozubek-Krycuń, Vertabelo's Chief Content Officer, about it. Here's what she said. Is it true that SQL JOINs are one of the foundations of SQL? Read more 1 Feb 2021 LearnSQL.com Team New Monthly Challenge for February 2021! Are you ready to solve business problems using SQL in 2021 with a new Challenge on LearnSQL.com? The February Challenge is at a basic level. You will test your SQL skills with data about a rental car company in the U.S. If it is the first time you’ve come across our Monthly Challenges, LearnSQL.com offers one free SQL Challenge each month: at the basic level in the even months and at the advanced level in the odd months. Read more «« « 1 2 3 … 5 6 7 … 10 » »»