Blog
Python for Data Analysis: Tools, Libraries, and Skills You Need
If you want to become a data analyst, Python is one of the best tools to learn. It’s flexible, beginner-friendly, and used by professionals every day. In this post, I’ll share the tools and libraries that helped me the most when I started learning Python for data...
SQL Keys: Understanding the Backbone of Relational Databases
Why SQL Keys Matter? In relational databases, SQL keys are essential for organizing and maintaining the integrity of data. They define relationships between tables, enforce data accuracy, and ensure each record can be uniquely identified. Understanding the different...
Joins in SQL: A Comprehensive Guide
Why SQL Joins are important for us? In relational databases, data is often stored across multiple tables to maintain efficiency, avoid redundancy, and ensure data integrity. SQL JOINs are used to combine records from these tables based on a related column, enabling us...
What is Data Cleaning and Why It Matters
Data cleaning is the process of finding and fixing mistakes in data. Just like you clean your house before guests arrive, you clean data before you use it. Sometimes numbers are missing, dates are written wrong, or names are spelled in many different ways.
What It Means to Be a Data Analyst in Today’s World
If you're curious about the world of data, you might have heard the job title “data analyst.” But what does a data analyst actually do? In this blog post, I’ll explain who data analysts are, what their daily tasks look like, and what tools they use. I’ll also talk...
SQL Wildcards – How to Search Smarter with Flexible Patterns
When working with SQL, there are times you need to search for patterns in your data instead of exact matches. That’s where wildcards come in. I had a hard time with them when I was learning, now I am here to help you! Wildcards are special characters used with the...
SQL Formatting Best Practices – How to Write Clean and Readable Queries
Writing clean and readable SQL is just as important as writing efficient queries. Whether you're collaborating with a team, debugging a complex report, or revisiting your own code months later, good formatting can make all the difference. In this post, we’ll walk...
Business Metrics – The 10 Most Important KPIs to Track
Mastering Business Metrics: The Key to Business Growth Running a small or medium-sized business can feel like a rollercoaster. One month, sales are booming, and the next, you’re wondering where all the money went. As an entrepreneur I have learnt a lot about these...
Gamification in Data Education – Making Coding More Engaging
Alright, imagine this: You’re learning something new! Let’s say coding, data analysis, or statistics. You sit down with a textbook or a long, 20 hours long online tutorial, and within 10 minutes, you start losing focus. It feels like a chore. But now, picture the same...
What is PEMDAS and why is it so important to know about it?
When I first started working with SQL, I thought math operations would work just like they did on a calculator. But one day, I ran a query that completely threw me off. I was expecting one result, but MySQL have me something totally different. That’s when I realized...
Understanding SQL, MySQL, and PostgreSQL: A Beginner’s Guide
You need to learn SQL? If you are starting your journey in databases, you have probably heard about SQL, MySQL, and PostgreSQL. But what exactly are they? How are they different? And which one should you choose for your project? Let’s break it down in a simple and...
Power BI vs. Tableau – Which one should you choose?
Power BI and Tableau are two of the most powerful business intelligence tools available today, helping organizations transform raw data into meaningful insights. While both platforms enable users to create interactive dashboards and reports, they differ in usability,...