31 Oct 2025 LearnSQL.com Team New Monthly SQL Practice for November 2025! You’re an SQL specialist helping Daisy, who is running a jewelry store. Daisy would like to gather some data that will help her expand the business. Can you find the number of purchases made by each customer? How much do the customers usually spend on a single purchase? The answers are hidden in the database – you just need to figure out how to get them out! This SQL Practice is at an advanced level and focuses on advanced GROUP BY queries. Read more 29 Oct 2025 LearnSQL.com Team How to Read an SQL Error Message (Without Panicking) SQL errors aren’t scary once you know what they mean. This guide shows how to read them calmly and fix your queries without panic. You hit Run. And then—bam! The console flashes red. ERROR: syntax error at or near "FROM" This is scarier than any jump scare. If you’ve ever stared at a cryptic SQL error message and felt your heart race, you’re not alone. Every SQL learner faces this moment. Read more 15 Oct 2025 LearnSQL.com Team The SQL Time Machine: How Queries Unlock the Past (and Predict the Future) SQL isn't just for retrieving data—it's a powerful way to explore what happened and when. Whether you're tracking user signups, sales, or system activity, learning how to work with time-based data helps you uncover patterns, analyze trends, and make smarter decisions. This beginner-friendly guide shows how to sort, filter, and group your data to understand the past—and prepare for what’s next. Every dataset has a story—and time is often the main character. Read more 30 Sep 2025 LearnSQL.com Team New Monthly SQL Practice for October 2025! In our October 2025 SQL Practice, you’ll meet Elisabeth, the manager of a music club. She needs you to help her gather the right statistics about the events organized in the club. Can you use your SQL skills to help her find the data? It shouldn’t be too hard if you have finished our SQL Basics course or understand core SQL concepts such as SELECT, WHERE, GROUP BY, HAVING, ORDER BY, and aggregate functions. Read more 22 Sep 2025 LearnSQL.com Team SQL Pop Culture Datasets: Practice With Movies, Music, and Sports Why settle for invoices and order tables when you could be querying Oscars, Spotify hits, or NBA stats? Pop culture datasets make SQL practice fun, engaging, and surprisingly effective. Have you ever wanted to use SQL to figure out which actor has the most Oscar wins, which artist ruled the charts in the year you graduated, or which country tops the Olympic medal table? Good news: you can. Most beginners learn SQL by analyzing customers, orders, and invoices. Read more 10 Sep 2025 LearnSQL.com Team Your SQL Syllabus for Fall 2025: What to Master This Semester This fall, make SQL your back-to-school subject. At LearnSQL.com, we’ve built a syllabus from our interactive courses with clear paths for beginners, intermediate learners, and advanced users. It’s back-to-school season, and this fall is the perfect time to invest in your skills. If you want to stand out in data analysis, reporting, or even kickstart a new career, there’s one subject that should be at the top of your list: SQL. Read more 1 Sep 2025 LearnSQL.com Team New Monthly SQL Practice for September 2025! This time, you will help Kate who runs an electronics store. Kate would like to gather some data to help her expand her business. She has hired you as an SQL specialist to help her out. Can you find out the average number of purchases made by each customer? Can you calculate the prices for customers with loyalty cards? The answers are in the database. You just need to figure out how to get them out using SQL functions. Read more 1 Sep 2025 LearnSQL.com Team Course of the Month: SQL Practice Set in PostgreSQL Do you know the basics of PostgreSQL but still need some practice? Look no further! Here is a great interactive course, SQL Practice Set in PostgreSQL. Throughout the month of September, you have access to it for FREE! We at LearnSQL.com believe that to learn a new skill, you need basic theoretical knowledge and, above all, a lot of practice. It's the same with writing PostgreSQL queries – you need a lot of PostgreSQL practice. Read more 20 Aug 2025 LearnSQL.com Team Mini-Tutorial: Analyze Real Weather Data in SQL and Find the Best Time to Travel Looking for the perfect time to take a vacation? With just a few SQL queries and real weather data from Szeged, Hungary, you can figure out which months are hot, rainy, or great for a walk in the sun. This mini-tutorial is a fun, practical way to sharpen your SQL skills—and maybe plan your next trip while you're at it. Looking for sunshine and low rain? Planning a vacation isn't just about picking a destination. Read more 13 Aug 2025 LearnSQL.com Team Your August SQL Plan: 15 Minutes a Day for 2 Weeks to Get Started Want to learn SQL but feel like you don’t have the time? This August, commit just 15 minutes a day and build real skills without the overwhelm. With this simple 2-week plan and the right tools, you’ll go from zero to writing queries before the month ends. August is a great time to reset, recharge — and maybe even learn something new. But what if you could pick up an in-demand skill without overloading your calendar? Read more «« « 1 2 3 … 8 » »»