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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
