31 Dec 2025 LearnSQL.com Team SQL Certifications and Courses Worth Taking in 2026 SQL skills age well. Even with AI writing snippets of code, someone must still understand data, ask the right questions, and turn results into decisions. Here’s a clear look at which SQL courses and certifications are genuinely worth taking in 2026. Whether you’re starting your data journey or planning to level up your analytical skills this year, SQL is still one of the most valuable skills to invest in. It’s the language behind dashboards, reports, automations, AI-assisted insights, and almost every data-driven decision happening in business today. Read more 24 Dec 2025 LearnSQL.com Team How to Keep Up Your SQL Learning Habit During the Holidays Learning SQL during the holidays can feel stressful, especially if you’re preparing for a job change and worry that any break will set you back. The good news is that you don’t need long study sessions or perfect consistency. A lighter approach is enough to keep your SQL habit alive until January. For many people learning SQL, the goal is clear: find a new job, switch careers, or finally move into a more data-focused role. Read more 16 Dec 2025 LearnSQL.com Team SQL Practice Challenge: One Query a Day During the Holidays December is busy, which makes long study sessions unrealistic. This holiday SQL challenge focuses on one simple habit: one SQL query a day, with different LearnSQL.com course options for beginners, intermediate learners, and advanced users. December is rarely a quiet month. End-of-year deadlines, family plans, travel, and a long list of “I’ll do it in January” tasks tend to push learning aside. That’s exactly why this is a good time to try a different approach. Read more 3 Dec 2025 LearnSQL.com Team From SELECT to JOIN: A 7-Day SQL Practice Plan for December December is chaotic, loud, and full of excuses not to learn anything. But with one quick diagnostic and a single course you actually enjoy, you can still make real SQL progress before the year wraps up. December is intense. You’re juggling year-end tasks, holiday prep, shopping, cleaning, family logistics, and maybe even looking for a new job because your current one (the second one this year) is falling apart. Read more 27 Nov 2025 LearnSQL.com Team How to Read Other People’s SQL Queries Without Getting Lost Opening someone else’s SQL can feel confusing fast. One look at the JOINs, aliases, and filters, and you’re lost. Here’s how to break down any query step by step and make sense of it. Reading your own SQL is one thing. Reading someone else’s 200-line query that powers a key dashboard is something else entirely. This article will show you how to approach other people’s SQL step by step, so you can understand what it does, spot problems, and feel confident making changes. Read more 19 Nov 2025 LearnSQL.com Team SQL in 10 Minutes a Day: The Busy Analyst’s Secret Weapon Think you’re too busy to learn SQL? With LearnSQL.com, all it takes is ten minutes a day to sharpen your data skills, one short, interactive lesson at a time. You open your laptop, check your calendar, and it’s already packed — meetings, reports, and endless deadlines. There’s barely time to breathe, let alone to sit down and learn something new. For many analysts, improving SQL skills feels like a luxury reserved for slower days that never come. Read more 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 «« « 1 2 3 … 9 » »»