Hi there, I’m Kajo! I run the KajoData channel, aimed at those dreaming of a career in IT as data analysts. Today, I want to share my thoughts on a common question: “Why can’t I find a job?” and present an effective strategy for getting into...
Today, I want to tackle a topic that seems to go against the current in these times of constant change and the pursuit of new professional challenges. The subject is “Why you don’t need to look for a new job” and “A new job or why is it worth...
Hello! My name is Kajo Rudziński, and I am a data analyst by profession and an explorer of the possibilities offered by artificial intelligence by passion. Today, I would like to share with you my thoughts on the impact of AI on my life and work. The conversation...
Hello there, Kajo here from KajoData! In today’s blog post, I want to share with you some insights on how to change your mindset and find motivation at work, especially for those of us facing the challenges of the IT industry. Working in IT isn’t just about the...
If you ever googled ‘Dashboard in data analytics’ or you would like to know how to present data, this article is for you. Hi there, it’s Kajo from KajoData! Today, I’m excited to talk about a crucial aspect of data analytics: dashboards. How do...
Table of contentsHow to Become a Data Analyst – IntroductionLearning ExcelLearning SQL and DatabasesThe Data Analyst’s CV and LinkedIn ProfileThe Data Analyst’s Portfolio – GitHub, Tableau, PowerBIData Visualization – Tableau and Power BIThe Pareto...
Is using ChatGPT in IT always a good thing? Can learning programming with AI hinder your career? As an enthusiast and educator in the IT world, I often ponder the impact of the latest technologies on our learning and career. Recently, I became deeply intrigued by how...
Hi, it’s Kajo from KajoData! As someone in the IT industry, I want to talk about something that affects many of us, whether we’re job hunting or entrenched in our careers. I’m referring to professional burnout & impostor syndrome. It’s a...
Hello everyone, Kajo here! As a data analyst and creator of KajoData, I often get asked: “How to rediscover lost motivation?”. Have you ever felt like you just can’t be bothered? Well, you’re not alone. Actually, motivation loss is quite...
Hey there, it’s Kajo from KajoData! Today, I want to talk about something we all go through – job interviews in the IT sector. I know it can be nerve-wracking – you’re facing a huge opportunity, but at the same time, you feel the weight of a...
Hey there! Wondering who can work as an Analyst? if data analytics is the right career path for you? Well, I might surprise you, but there isn’t one specific type of person who fits this job like a key in a lock. In fact there are only 4 traits to be a Data...
Hey there! If you’re looking around for a job in the IT industry and wondering whether becoming a programmer or a data analyst is the better choice, this article is for you. It seems there are two main paths you can follow, right? On one hand, you have coding...
Today, we’re diving into the fascinating world of money in IT. No, I won’t just be talking about programmers, because that topic has been done to death. But do you know the average BI developer salary? Exactly. Today we’re focusing on comparing the...
Python in Excel? Really? 😱Is this the beginning of the end for the Excel we know? Last week, Microsoft made a groundbreaking announcement that has left many of us stunned. From now on, you’ll be able to use Python natively in Excel. Yes, you heard it...
There comes a time in every Excel aficionado’s life when basic formulas and functions just don’t cut it anymore. Picture this: you have thousands of cells filled with data, and you need to do something with them—quickly and efficiently. The answer? Array formulas....
Notifications from Outlook, alerts on Slack, and MS Teams – things that seem so incredibly urgent that I need to check them immediately. But, you know what? I recently realized that… I don’t have to. Do you also feel that the digital era, despite its...
Work meetings can be a torment. You look at the clock and think: “Why am I wasting my time here?” Meetings can be a crucial element of teamwork, but on the other hand, they can turn into a gigantic black hole that consumes our most valuable resource...
Hello! Today we’re answering a question “What is a Z-score”. I other words, we’ll talk about an important aspect of statistics – standard deviations. If you’ve never heard of it before, don’t worry – this is the place...
IT conferences provide a great opportunity for analysts and programmers alike to gain knowledge and broaden their network. Whether you’re a junior or a senior, everyone contributes. Recently, I thought that a “guide for introverts” would be useful in...
Hello! Today, I want to tackle a topic that seems to befuddle many beginner developers but is absolutely crucial in daily work with databases. I’m talking about JOIN types in SQL. And not only the basic ones – we will have a look even at cross join! A JOIN...
Do you ever have moments when you wonder if Chat GPT is conscious? That’s perfectly understandable. But the real question you should ask yourself is “what is the Eliza Effect” 😉. The first Eliza Effect But before we get to the heart of the matter, we...
