Blog

How to become a data analyst? Complete guide
Work

How to become a data analyst? Complete guide

21 January 2024
What Does a Data Engineer Do? A Candid Conversation with Nieinformatyk
Expert

What Does a Data Engineer Do? A Candid Conversation with Nieinformatyk

18 August 2025
GPT-5 vs Gemini 2.5 – A Big Test of AI Models in Analytical Tasks
AI

GPT-5 vs Gemini 2.5 – A Big Test of AI Models in Analytical Tasks

10 August 2025
Power BI is not Excel. A conversation on implementation, Copilot and training with Iga Kwiecińska
Expert

Power BI is not Excel. A conversation on implementation, Copilot and training with Iga Kwiecińska

2 August 2025
How to Become a Data Analyst with No Experience? Izabela Witczak’s Real Story
Work

How to Become a Data Analyst with No Experience? Izabela Witczak’s Real Story

11 July 2025
How to Start Analyzing Your Own Data? 5 Steps for Aspiring Data Analysts
Work

How to Start Analyzing Your Own Data? 5 Steps for Aspiring Data Analysts

10 July 2025
What to Do with a Weak Resume? 5 Strategies That Actually Work
Work

What to Do with a Weak Resume? 5 Strategies That Actually Work

10 June 2025
The Modern Programmer – Interview with Kamil Brzeziński
Work

The Modern Programmer – Interview with Kamil Brzeziński

26 May 2025
Tableau vs Power BI – My Detailed Comparison for Beginner Data Analysts
Work

Tableau vs Power BI – My Detailed Comparison for Beginner Data Analysts

8 May 2025
The Job of the Future Doesn’t Exist. Here’s Why You Should Stop Chasing It
Work

The Job of the Future Doesn’t Exist. Here’s Why You Should Stop Chasing It

6 May 2025
5 Reasons Why Excel Still Matters for Data Analysts
Work

5 Reasons Why Excel Still Matters for Data Analysts

22 April 2025
AI won’t take your job. It will take your loneliness.
Work

AI won’t take your job. It will take your loneliness.

17 April 2025
5 Statistical Mistakes Data Analysts Make
Work

5 Statistical Mistakes Data Analysts Make

15 April 2025
Why I Love Being a Data Analyst – 4 Reasons to Choose This Career
Work

Why I Love Being a Data Analyst – 4 Reasons to Choose This Career

8 April 2025
What Does a Data Analytics Engineer Do – and Is It the Future of Data Careers?
Work

What Does a Data Analytics Engineer Do – and Is It the Future of Data Careers?

4 April 2025
How to Get Your First Job as a Data Analyst During a Market Slowdown – 5 Smart Strategies
Work

How to Get Your First Job as a Data Analyst During a Market Slowdown – 5 Smart Strategies

2 April 2025
5 Mistakes That Can Get You Fired as a Junior Data Analyst (and How to Avoid Them)
Work

5 Mistakes That Can Get You Fired as a Junior Data Analyst (and How to Avoid Them)

31 March 2025
AI and the Future of Data Analysis: Will AI Replace Data Analysts?
Work

AI and the Future of Data Analysis: Will AI Replace Data Analysts?

4 February 2025
5 Data Analyst Mistakes To Avoid for Beginners in Data Analysis
Work

5 Data Analyst Mistakes To Avoid for Beginners in Data Analysis

30 January 2025
Data Analyst vs Programmer: Which Is Better for a Career Change to IT?
Work

Data Analyst vs Programmer: Which Is Better for a Career Change to IT?

13 January 2025
Data Analyst vs Data Scientist – Which is a Better Data Analyst Career Path?
Work

Data Analyst vs Data Scientist – Which is a Better Data Analyst Career Path?

3 January 2025
How to Be the Best in a Team and Develop Your IT Career
Work

How to Be the Best in a Team and Develop Your IT Career

20 December 2024
Career Change After 30 – How to Make a Career Transition After 30?
Work

Career Change After 30 – How to Make a Career Transition After 30?

17 December 2024
The Unseen Side of Data Analytics: Exploring the Disadvantages and Challenges
Work

The Unseen Side of Data Analytics: Exploring the Disadvantages and Challenges

11 December 2024
Creating a Histogram in SQL – A Practical Approach with Subqueries, CTEs, and CASE WHEN
SQL

Creating a Histogram in SQL – A Practical Approach with Subqueries, CTEs, and CASE WHEN

7 December 2024
Simple Pivot Table in SQL + Handling NULL Values in CASE WHEN
SQL

Simple Pivot Table in SQL + Handling NULL Values in CASE WHEN

7 December 2024
Data Cleaning Techniques: A Step-by-Step Guide for Data Analysts
Work

Data Cleaning Techniques: A Step-by-Step Guide for Data Analysts

5 December 2024
9 LinkedIn Mistakes That Are Killing Your Job Search
Work

9 LinkedIn Mistakes That Are Killing Your Job Search

29 November 2024
How to Successfully Transition into a Data Analyst Career: Essential Skills and Tips
Bez kategorii

How to Successfully Transition into a Data Analyst Career: Essential Skills and Tips

20 November 2024
Common CV Mistakes to Avoid: Essential Tips for Job Seekers
Work

Common CV Mistakes to Avoid: Essential Tips for Job Seekers

29 October 2024
Variable, data types and operators in Python
Python

Variable, data types and operators in Python

30 July 2024