Who Should Learn SQL Window Functions? by Tihomir Babic 5 Aug 2020 Do you want to learn how SQL window functions can help you at your job? This article will show you examples from various business applications where they can be very useful. I won’t be explaining what SQL window functions are in this article, but rather how to use them. If you’re not familiar with window functions or their syntax, don’t worry. Here’s an article that can help you with an introduction to SQL window functions. Read more When Should I Use a Common Table Expression (CTE)? by Tihomir Babic 16 Jul 2020 Interested in hearing more about common table expressions or CTEs? Would you like to know when CTEs are useful? Read on—we’ll discuss in this article. If you’ve heard of common table expressions, you’ve probably wondered what they do. Even if you have not, it’s good that you’re here! CTEs can be very useful, especially if you have already mastered the basics of SQL, such as selecting, ordering, filtering data, and joining tables. Read more How to Practice SQL Window Functions at Home by Tihomir Babic 16 Jun 2020 Are you looking for a way to maintain your knowledge of SQL window functions? What’s the best way to practice them at home? Here are some suggestions. Learning something new feels great, but it’s also arguably the easiest part of gaining knowledge. You’ve probably experienced that yourself. You struggle with learning an idea, and then you finally get it! There’s the feeling you’ve learned something. And then, very soon, you practically have to start all over again with the very same concepts. Read more 5 Advanced SQL Constructions Every Data Analyst Should Learn by Tihomir Babic 27 May 2020 Does your job involve data analysis? Here are five examples of how advanced SQL can help you in your daily work. I’m a data analyst and I have to say – data analysts can be quite strange. Other people are usually afraid of immense amounts of data; we enjoy it. The deeper we get into data, the happier we are. An important tool for getting into data (and thus being a happier data analyst) is SQL. Read more Advanced SQL Interview Questions (and Answers) by Tihomir Babic 13 May 2020 Do you want to move to a job that uses SQL? Are you unsure about what to expect during the job interview or how to benchmark your knowledge? This article will give you a good idea of where you stand. If you feel stuck in your job, you’re not the only one. The modern division of work pushes people to perform very specific tasks, expecting them not to look at what's on the other side. Read more When Do I Use SQL Window Functions? by Tihomir Babic 22 Apr 2020 Have you heard one of your colleagues bragging about using SQL window functions? Do you know basic SQL but not much, or anything, about window functions? If you want to learn about window functions and how to use them in a business context, you’re in the right place! This happens often. You reach a certain level of knowledge, and you feel like the king (or queen) of the world. Then, you overhear your colleagues talking about something you have never heard of (in this case, window functions). Read more What Online SQL Courses Are Best for Finance and Economics Majors? by Tihomir Babic 5 Mar 2020 Are you studying finance and wondering how you can use your knowledge in this technical world? Maybe you’ve just started working as a data analyst and you want to bring new tools and skills to your workplace? This article could help you with the list of the SQL courses worth trying. Maybe you’re studying finance and find your studies too theoretical. How will you put this knowledge into practice? Read more Common Entry Level SQL Developer Interview Questions by Tihomir Babic 20 Feb 2020 Have you ever been interviewed for an entry-level SQL position? Are you planning to apply for such a job? This article will help you to know what to expect and prepare for common SQL developer interview questions. After gaining some basic knowledge of SQL and programming, you're probably wondering what to do next. Or maybe you're not wondering! You know that what you've learned will soon disappear if you don't use it regularly. Read more Career Change: From Accountant to Database Designer by Tihomir Babic 2 Jul 2019 How do career changes and life choices impact our future? Can we change the path that's been set for us? And if so, where do we begin? I wouldn't blame you if you thought this article is about change. In a sense, it is—it's in the title, after all. But for me, this article is more about what remains constant. If somebody were to ask me what hasn't changed for me since my childhood, I would know the answer immediately: curiosity. Read more