Articles Cookbook
8 Oct 2025
Agnieszka Kozubek-Krycuń

5 Tiny SQL Tricks That Make You Look Like a Pro

Want your SQL to look cleaner and feel more professional? These five small but powerful tricks will help you write queries that are easier to read, debug, and share. You’ve written a few SQL queries, joined some tables, maybe even built a small report. But your queries still feel a bit… clunky. The truth is, the difference between “getting the job done” and looking like a pro often comes down to a handful of small habits — the kind that make your code easier to read, maintain, and share with others.
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1 Oct 2025
Jakub Romanowski

Free Course of the Month: Blog & Traffic Data

Why practice SQL with real-life scenarios? We'll explain in this article – and we’ll show how you can do it for free during October 2025 with this LearnSQL.com course! SQL is the backbone of many data-driven applications and businesses. It's a powerful language that allows you to interact with databases, retrieve data, and make insightful decisions. If you're looking to improve your SQL skills, our Basic SQL Practice: Blog & Traffic Data course is the perfect opportunity.
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1 Oct 2025
Agnieszka Kozubek-Krycuń

SQL Study Plan for the Last 90 Days of the Year

The last three months of the year are the perfect time to focus on yourself and build skills that will pay off in the new year. With the right plan, you can go from SQL basics to job-ready queries by December 31. This 90-day study path shows you exactly what to learn — and when — using LearnSQL.com courses. The final months of the year are a natural moment to reset and prepare for what’s ahead.
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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.
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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.
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17 Sep 2025
Agnieszka Kozubek-Krycuń

The SQL Checklist for Junior Data Analysts in 2025

SQL is the backbone of data analysis, and every junior analyst in 2025 needs to know it well. This checklist will help you see where you stand, spot the skills you still need, and find the right resources to level up. Whether you’re just starting or preparing for your next interview, you’ll know exactly what to focus on. Starting out as a data analyst can feel overwhelming. There’s so much to learn — tools, dashboards, business metrics — but at the center of it all is SQL.
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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.
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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.
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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.
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27 Aug 2025
Agnieszka Kozubek-Krycuń

How to Write Clean and Shareable SQL Reports

Want to write SQL reports that everyone can understand? Discover the key practices for creating clean, shareable reports that boost collaboration and drive smarter decisions. Writing clean, readable SQL reports is essential, especially in team environments where SQL is the shared language for analysis and decision-making. Clear SQL reports make it easier for everyone—from analysts to non-technical stakeholders—to follow logic, trust results, and make informed decisions. On the other hand, messy reports lead to confusion, errors, and wasted time, slowing down progress and affecting decision-making.
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