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 20, 2024 | Work
How to be the best in a team and develop your IT career? This is a question that many ambitious professionals ask themselves. In this article, I will share my experiences and tips to help you achieve success in teamwork and advance your IT career development. Key...
by Klementyna Witczak | Dec 17, 2024 | Work
Do you feel like your youth is already behind you? Do you have the impression that the world has left you behind because you didn’t choose the right career path? Do you see all these young people succeeding in IT and think that you no longer have a chance? I...
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 29, 2024 | Work
LinkedIn mistakes? Oh yes, you can definitely make them! Job searching on LinkedIn isn’t the same as sending out your resume. While it may not be as popular as traditional methods, ignoring LinkedIn altogether is a mistake. It can help you make valuable...
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 | Jul 30, 2024 | Python
Learn about variables, data types, and operators in Python. Practical examples and applications. Working with data in Python begins with understanding the basic elements of the language, such as variables, data types, and operators. Variables allow for storing and...
by Klementyna Witczak | Jul 24, 2024 | SQL
Learn advanced techniques for creating SQL queries. Practical examples and applications. SQL (Structured Query Language) is a powerful tool that allows for advanced manipulation and analysis of data in databases. As a data analyst, I use SQL daily to extract,...
by Klementyna Witczak | Jul 24, 2024 | Excel
Learn how to effectively use Excel’s search and reference features, such as VLOOKUP, HLOOKUP, and XLOOKUP. Managing large datasets often requires quickly finding information. Lookup and reference functions in Excel are invaluable in such situations. They enable...
by Klementyna Witczak | Jul 17, 2024 | Python
Python is one of the most popular programming languages, especially in the field of data analysis. It is versatile, easy to learn, and has a rich community, making it an ideal choice for beginners. In this article, I will introduce the basics of Python to help you...
by Klementyna Witczak | Jul 16, 2024 | SQL
Learn how to get started with SQL and databases. A beginner’s guide. SQL (Structured Query Language) is a language that plays a crucial role in managing and manipulating databases. With SQL, we can create, modify, delete, and query databases, making it an...
by Klementyna Witczak | Jul 10, 2024 | Bez kategorii, Excel
Learn advanced formulas in Excel and learn how to use tricks and practical applications to improve your data analysis. Excel is a tool I use daily, both at work and in my personal life. It is an indispensable program that enables data management, report creation, and...
by Klementyna Witczak | Jul 2, 2024 | Work
If you ever googled ‘Difficult interview questions’ or you would like to know how to talk with the recruiter, this article is for you. Today I want to focus on recruitment, specifically the tough questions that might surprise you during a job interview. I...
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 | May 23, 2024 | Work
If you ever googled ‘GPT 4o and Gemini Advanced’ or you would like to know how new AI models will change the world, this article is for you. Hello everyone! Today on the blog, I want to share my thoughts on the latest artificial intelligence models: GPT...
by Klementyna Witczak | May 13, 2024 | Work
If you ever googled ‘Job market crisis’ or you would like to know is it difficult to get a job now, this article is for you. Today I would like to address a topic that is increasingly appearing in discussions about the job market – the crisis in the...
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...
by Klementyna Witczak | Apr 17, 2024 | Work
Today, I would like to talk about the current state of the IT job market in Poland. Are you considering a career switch to IT? I hope that after reading this article, you will have a clearer picture. Market Overview First, it’s important to understand that the...
by Klementyna Witczak | Apr 15, 2024 | Work
If you ever googled ‘Why coding skills are not enough’ or you would like to know how can I work as a data analyst, this article is for you. When I first started, the world looked a bit different, and if I could, I certainly would make different decisions...
