28 Jan 2026
How to Read a Database Schema and Know What to Query
SQL queries are rarely the problem. The real challenge is opening a new database and knowing where the data you need actually lives. This article shows how to read a database schema so you can quickly understand what to query and where to start. My husband claims that the hardest part of using SQL in practice isn’t writing queries. For him, the real challenge is opening a database he’s never seen before and figuring out where things are. 12 Nov 2025
5 SQL Lessons to Learn Before the Year Ends
Many SQL learners get stuck between beginner and intermediate — queries work, but not always as expected. These five lessons fix the gaps most learners still have and will strengthen your SQL before the year ends. As the year winds down, many learners start reflecting on what they’ve achieved — and what’s still on their to-learn list. If you’ve been studying SQL for a while, you’ve probably already written a few queries, joined some tables, and filtered results. 5 Nov 2025
Level Up Your Queries: 7 Intermediate SQL Tricks Every Analyst Should Know
SQL mastery doesn’t stop at writing simple queries — it begins when you start transforming data into insights. Learn seven intermediate SQL tricks every analyst should know to analyze smarter, work faster, and uncover patterns your basic queries can’t show. If you already know your way around SELECT, JOIN, and WHERE, it’s time to step up your game. SQL doesn’t end at SELECT — if you want to become a professional data analyst, you need to go beyond the basics and start thinking like someone who turns data into answers. 22 Oct 2025
Your Year in Data: How SQL Helps You Summarize 12 Months of Information
Ever wanted to analyze your own year like Spotify Wrapped does? With a few SQL queries, you can turn your workout data — or any dataset — into a personal year-in-review. How was your year? How much did you spend? What kind of music did you listen to the most? How many workouts did you complete — or how many movies did you watch? All of that information already exists in your digital life. 8 Oct 2025
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. 1 Oct 2025
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. 17 Sep 2025
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. 27 Aug 2025
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. 6 Aug 2025
How SQL Data Analysis Can Help You Understand Seasonality in Your Business
Your business data holds hidden seasonal patterns — sales peaks, slowdowns, and shifts that repeat every year. With just a few SQL queries, you can uncover these trends and turn them into smarter decisions. Here's how. Every business experiences ups and downs — more sales in December, fewer customers in August, a spike in support tickets after a product update. These patterns are known as seasonality, and they can have a major impact on planning, staffing, marketing, and inventory. 30 Jul 2025