by Klementyna Witczak | May 8, 2025 | Work
When I started my journey with data analysis, one of the first questions I asked myself was: Tableau or Power BI? Both tools kept popping up in job listings, online courses, and LinkedIn recommendations. On one hand – Power BI, a Microsoft product deeply integrated...
by Klementyna Witczak | Apr 22, 2025 | Work
In a world where data analysts are expected to know SQL, Python, BI tools, and even AI workflows – Excel is still standing strong. Some see it as basic or outdated, but that couldn’t be further from the truth. The reality is that Excel remains one of the most powerful...
by Klementyna Witczak | Apr 15, 2025 | Work
Working with data isn’t just about writing SQL queries, building dashboards, or creating flashy reports. At its core, it’s about drawing conclusions – and that means using logic, structure, and often, statistics. The problem? You don’t have to be a statistician to...
by Klementyna Witczak | Apr 8, 2025 | Work
I’ve been working with data for a few years now, and I still keep discovering new things in this role. At first glance, it might seem like a data analyst just writes queries and builds reports – but it’s so much more. It’s a blend of tech, business, critical thinking,...
by Klementyna Witczak | Mar 31, 2025 | Work
With layoffs happening across the industry, it’s essential to understand how to avoid being among those let go. This isn’t about scaring you but helping you stay valuable in your role and grow in your career. Let’s go over the five most common...
by Klementyna Witczak | Feb 4, 2025 | Work
In today’s rapidly evolving technological landscape, the question on everyone’s mind is: Will AI take our jobs? In this article, I will delve into the future of data analysis in the age of artificial intelligence. I’ll try to answer a question...
by Klementyna Witczak | Jan 30, 2025 | Work
Starting a data analyst career is exciting, but many beginners fall into common traps that can hinder their progress and prevent them from reaching their full potential. In this article, I’ll share the five most common mistakes of beginner data analysts and...
by Klementyna Witczak | Jan 13, 2025 | Work
Data analyst vs programmer – this is a common dilemma for people considering a career change to IT. In this article, I’ll share my thoughts on which path might be a better fit for you, based on my own experience as a data analyst. I’ll compare both...
by Klementyna Witczak | Jan 3, 2025 | Work
Data Analyst vs Data Scientist – it’s a hot topic for anyone considering a career in data. You might have heard the buzz about data science being the “sexiest job of the 21st century.” But is it really all it’s cracked up to be,...
by Klementyna Witczak | Dec 11, 2024 | Work
The Unseen Side of Data Analytics: Exploring the Disadvantages and Challenges So you’re thinking about becoming a Data Analyst? That’s awesome! It’s a rewarding career path with tons of opportunities. But like any job, it comes with its own set of...
by Klementyna Witczak | Dec 5, 2024 | Work
Data cleaning. It might not be the most glamorous aspect of a data analyst’s job, but it’s definitely one of the most important. Just like a powerful person who isn’t afraid to get their hands dirty, a data analyst needs to be able to sift through...
by Klementyna Witczak | Nov 20, 2024 | Bez kategorii, Work
Thinking about a career as a data analyst? It’s a great time to make the switch. While the job market is competitive, with the right approach and skills, you can successfully transition into this in-demand role. In this post, I’ll share my insights on how...
by Klementyna Witczak | Jun 24, 2024 | Work
If you ever googled ‘SQL for data analyst’ or you would like to know how to get the insights from the data base, this article is for you. Today, I’ll talk about the key elements of SQL for analysts and show you how to effectively extract data from a...
by Klementyna Witczak | Apr 25, 2024 | Work
If you ever googled ‘Perfect job for introverts’ or you would like to know introverts or do data analysts need other people, this article is for you. Lately, there have been a lot of questions about working in the IT industry, especially from those who...
