23 Nov 2023 Alexandre Bruffa The Best SQL Practice Challenges for Beginners Want to get better at SQL? Dive into SQL practice challenges! They're a great way to learn and improve. In this article, we'll explore why these challenges are important and where you can find the best ones. Are you a student, a business owner, or an employee? If data is part of your work and you want to learn SQL to manage it, you’ll need to practice. And interactive SQL challenges are ideal for beginners to get comfortable with the language. Read more 9 Nov 2023 Alexandre Bruffa SQL Practice for Students: 11 Basic SQL Practice Exercises with Solutions Calling all students! Are you SQL-curious? Want to learn or improve your SQL skills? This article has 11 SQL practice exercises with detailed solutions. Have you ever heard that “Practice makes perfect”? You probably have – that’s why you’re looking for SQL practice resources. If you want to develop strong skills or become an expert in a certain domain, you have to practice. As Rebecca McKeown wrote in her outstanding article Learning SQL? Read more 19 Sep 2023 Alexandre Bruffa Python vs. SQL for Data Analysis You surely have heard about SQL and Python. Maybe you’ve even worked with one of those languages. Both have strengths and weaknesses. When it comes to data analysis, which should you use? This article will demonstrate how Python and SQL are useful for data analysis and how knowing both languages can boost your data analysis journey. Decided to get into data analytics? Great! An increasing number of companies are looking for people who can analyze data and draw conclusions from it. Read more 13 Jul 2023 Alexandre Bruffa How SQL Skills Can Boost Your Resume You may wonder: does having SQL skills matter? In what areas could I use my SQL skills? In this article, I will explain how having SQL skills can boost your resume and add momentum to your professional career. We are living in the Big Data era. Every time we go online, we provide the websites we visit with a lot of information. If we voluntarily give our data by creating an account, filling out a form, or making a purchase, we give them even more information. Read more 8 Jun 2023 Alexandre Bruffa Unleash the Full Potential of Your Data: Enhancing SQL with Python In this article, we will explain why using SQL with Python is an awesome combination for unleashing the full potential of your data! Read on to find out how learning and starting to use the most popular programming language can have a positive impact on your work. You may be wondering why we write about Python on the LearnSQL.com blog? Well ... They are just a very good couple. Both languages are basic tools in such fields as data science and data visualization. Read more 25 Apr 2023 Alexandre Bruffa Learn SQL in 10 Minutes Updated on: October 30th, 2023 Want to learn SQL fast? Our simple guide will teach you the essentials in just 10 minutes! Start querying data in no time. In today’s world, we use data for everything, and knowing SQL helps you understand this data better. Learning SQL means you can find and use important information in databases. Knowing SQL is an essential skill in any data-driven industry. For beginners, learning SQL is made easy with the right guide. Read more 16 Feb 2023 Alexandre Bruffa How to Concatenate Two Columns in SQL – A Detailed Guide In SQL, concatenation is the operation of joining together strings, or pieces of text information. Learn how to concatenate two columns in SQL with this detailed guide. SQL concatenation is the process of combining two or more character strings, columns, or expressions into a single string. For example, the concatenation of 'Kate', ' ', and 'Smith' gives us 'Kate Smith'. Enhance your SQL skills with our interactive SQL Practice Set! Read more 10 Jan 2023 Alexandre Bruffa Database Jobs to Choose in 2023 In this article, we will explore some of the top database jobs to choose from in 2023. So you want to land yourself a database job in 2023. It’s a great choice, and there are lots of options. Let’s talk about the most popular data-related jobs and what you need to do to get one. SQL Is Essential for a Database Job It’s important to mention that most of the popular databases nowadays are relational – i. Read more 27 Dec 2022 Alexandre Bruffa Learn Advanced SQL with LearnSQL.com In this article, we will propose a learning path that will cover advanced SQL topics. If you already know the basics of SQL, you probably have figured out that most online and offline SQL tutorials and courses usually cover the basic and intermediate concepts: SELECT, FROM, WHERE, ORDER BY, GROUP BY, and joining tables. Even university database courses typically don’t cover more advanced SQL topics. While this is enough SQL for most everyday tasks, there are some relatively new features that have been added to SQL in the last 20 years: window functions, recursive queries, and GROUP BY extensions (ROLLUP, CUBE, GROUPING SET). Read more 18 Nov 2022 Alexandre Bruffa I’m a Software Developer. How Do I Learn SQL? What do you need to know about relational databases and SQL as a software developer? In this article, we’ll explain the topics you need to know and how you can acquire this knowledge. If you are a software developer, you may have noticed that SQL skills are often required in some development roles. Although you are not a database manager or a data scientist, you will need solid SQL foundations to continue your developer journey. Read more «« « 1 2 » »»