18 Jun 2020 Jakub Romanowski A Mathematician in the World of SQL She has a PhD in Mathematics and over 10 years’ experience teaching mathematics and computer science at the University of Warsaw. She knows SQL better than just about anyone I’ve met. Let’s get to know Agnieszka Kozubek-Krycuń, Vertabelo’s Chief Content Officer at Vertabelo. Let's go back in time. How did your adventure with math start? I’ve always enjoyed abstract concepts and problem solving. I was fascinated by variables when we learned to solve simple equations like x+2=5 in primary school. Read more 12 Jun 2020 Jakub Romanowski Top SQL Social Media Groups & Channels to Follow We get news, advice, and funny videos from Facebook, Twitter, and YouTube. Why not use social media to help you learn SQL? You wake up and the first thing you do is check for Facebook notifications. Do you take a photo of your breakfast and share it with friends on Instagram? Maybe you argue with someone on Twitter about which James Bond was the best? Or maybe you are recording a short TikTok video of you singing Lady Gaga? Read more 19 May 2020 Jakub Romanowski Major Companies Using PostgreSQL: Purposes & Examples Updated on: May 17, 2024. Which companies use the open-source relational database management system PostgreSQL? Find out … and learn why you should be a PostgreSQL user too. You know the blue elephant logo. You have heard that PostgreSQL is a very good solution. But which companies use it? Here is a list of the largest IT and business companies that use PostgreSQL (or Postgres, for short). Multinationals worth billions of dollars can't be wrong, right? Read more 9 Apr 2020 Jakub Romanowski The Man Behind LearnSQL.com If it wasn't for this guy, LearnSQL.com would never have been created. He manages the entire company, makes strategic decisions – and talks little about himself. Who is the man behind LearnSQL.com? Meet Vertabelo CEO Jarosław Błąd. SELECT interests, early_career, advice FROM Jarek AS the_man_behind_learnsql.com WHERE answer IS NOT Null AND success IS True; If you were to write one sentence about yourself, what would it be? I think I would say that I am an ordinary, simple guy who really likes what he does. Read more 1 Apr 2020 Jakub Romanowski Types of Database Jobs Updated on: April 11, 2024 Do you dream of high earnings and interesting work? Are you fed up with your boss and his or her annoying vacation stories in exotic countries? Is it time to change your job? Why not learn SQL? Here are some examples of the types of database jobs that may lead you to a better life. What types of database jobs use SQL? Here are some examples, but first, a small caveat. Read more 3 Mar 2020 Jakub Romanowski Top 10 Websites That Will Help You Find the Perfect SQL Job Updated on: March 6, 2024 People learn SQL for many reasons. In my case, I wanted to find a better job that would allow me to earn more and have more free time. But where do you find such a job? Here is my list of the 10 best websites with database jobs. Although SQL is over 40 years old, it is appearing in more and more job advertisements. Data has become an essential tool for businesses, and they are looking for people to squeeze every bit of information from their databases. Read more 26 Feb 2020 Jakub Romanowski How to Stay Healthy When Learning SQL So, maybe you’re learning SQL. Congratulations! Or maybe you already work as a data analyst, DBA, or data scientist. That’s great too! Either way, you are most likely spending hours in front of a computer. I will give you tips on how to avoid bad habits and take care of your health while learning and/or working with SQL. Have you ever wondered how sitting in front of a computer affects your health? Read more 28 Jan 2020 Jakub Romanowski How to Practice SQL Updated on: December 5th, 2023 Are you familiar with SQL's core concepts like aggregation functions, JOINs, GROUP BY, and ORDER BY? That's a great start. But to truly master SQL – especially for data analyst roles and job interviews – it's crucial to understand how to practice SQL effectively. This article provides a comprehensive guide to the best methods to practice SQL. You’re here because you're eager to enhance your SQL skills and become an independent database user. Read more 24 Dec 2019 Jakub Romanowski SQL, Databases, and Hollywood Movies Policemen, doctors, lawyers, scientists, teachers: These are the professions that we often see in Hollywood movies. But are movies also trying to show what the work of data analysts looks like? Here is a list of six movies in which screenwriters, directors, and producers decided to cast SQL and databases in the main roles. Data analysis is most often associated with business, reporting, and making key decisions for the company. Read more 15 Nov 2019 Jakub Romanowski Join us on Facebook–We Can Learn More Together We are so happy that you have joined us to learn and develop your SQL skills! We want to invite you to a new Facebook group, We Learn SQL. It is a great place for anyone interested in meeting like-minded people who also want to learn about database-related concepts. Learning together is easier, don't you think? Joining this group is a great opportunity to begin sharing your learning experiences with others. Read more «« « 1 2 3 … 9 10 11 » »»