Online SQL practice is an excellent way to sharpen your SQL skills through hands-on experience. By working with real-world scenarios and interactive exercises, you can apply what you've learned and deepen your understanding of SQL. Below is a list of articles, all curated and developed by the SQL experts at LearnSQL.com. These resources include guides, tips, and practical exercises that cover everything from foundational queries to advanced topics. Whether you're a beginner or an experienced user, these articles are designed to help you refine your SQL skills through hands-on practice and expert insights. 15 Oct 2024 Ekre Ceannmor 19 Aggregate Function Exercises Solve these 19 SQL aggregate function exercises and sharpen your SQL skills! Practice using aggregate functions with GROUP BY, HAVING, subqueries, and more. Includes a solution and detailed explanation for each exercise. Aggregate functions are an important part of SQL. They allow you to calculate different statistics and generate reports that you would not have been able to with single-row operations like filtering. It’s important to practice aggregate functions often, as they are a crucial part of your SQL skill set. Read more 17 Sep 2024 Martyna Sławińska 12 SQL Functions Practice Questions SQL functions allow us to manipulate data, including string and numeric values. This article presents 12 SQL functions practice questions – with solutions and detailed explanations – that will help you solidify your SQL knowledge. Practicing SQL is important if you want to improve your skills. But finding SQL practice exercises is hard. We want to help, so we’ve been publishing free compilations of SQL practice exercises. In this article, we’ve provided 12 SQL functions practice questions, complete with solutions and explanations. Read more 15 Aug 2024 Jakub Romanowski How to Find SQL Databases for Practice Learning SQL is important for anyone working with data, but finding a SQL database for practice can be a challenge. In this guide, you'll find easy SQL queries (and some rather more complex) to help you get started using the databases from our new SQL Databases for Practice course. SQL can be fun and practical when you get to try out real queries on a real database. If you are a beginner this guide will help you get started with some simple SQL queries using the databases from our SQL Databases for Practice course. Read more 11 Aug 2024 Martyna Sławińska SQL Practice for Beginners: AdventureWorks Exercises Hone your SQL skills with hands-on exercises using the AdventureWorks sample database. Practice essential SQL features using real-world scenarios. Practicing SQL is important if you want to get better at using it. This article has 20 beginner-friendly exercises using the AdventureWorks sample database from Microsoft. This database is designed to show how SQL Server works. It represents a fictitious bicycle manufacturing company called AdventureWorks Cycles and includes five schemas: HumanResources, Person, Production, Purchasing, and Sales. Read more 11 Jul 2024 Martyna Sławińska 20 SQL WHERE Practice Exercises for Beginners In SQL, the WHERE clause filters data based on defined conditions. Read on to follow 20 WHERE practice exercises with beginner-friendly explanations and solutions. This article will review some of our SQL WHERE exercises. We’ll start by explaining the basic syntax, then we’ll examine 20 beginner-friendly exercises that come from the SQL courses listed below. These exercises cover the main uses of the WHERE clause and are perfect for practicing your SQL skills. Read more 4 Jul 2024 Jakub Romanowski New Course! Have Fun With Self-Guided Practice Databases If you're looking for a place to experiment with your SQL queries and see them in action, our new "SQL Databases for Practice" course is the perfect spot. Dive in and play around with real data, right where the action happens! We're thrilled to launch a brand-new resource on LearnSQL.com, called SQL Databases for Practice. This course is all about giving you the freedom to sharpen your SQL skills on your terms, using real databases from various industries like education, e-commerce, and more. Read more 30 Jun 2024 Lisandro Fernigrini 22 Exercises to Practice SQL Commands Want to improve your SQL knowledge? Practice SQL commands in these 22 realistic exercises! There's an old saying that "there's no substitute for experience". But how can you achieve that experience when you’re just starting to learn something new? The best way is by practice, practice, and more practice! In this article, we’ll provide you with some real-world SQL command practice. All of our practice exercises are taken from courses on LearnSQL. Read more 28 May 2024 Jorge Sandoval 15 SQL Server Practice Exercises with Solutions Enhance your SQL Server proficiency with our SQL Server practice exercises. Each of these 15 practical T-SQL tasks includes a detailed solution to help you improve your querying skills. You know how everyone says, "Practice makes perfect"? Well, it couldn't be truer for SQL. The real learning happens when you start working with queries, tables, and data. If you're looking to sharpen your skills in MS SQL Server, you're in the right spot. Read more 14 May 2024 Gustavo du Mortier 11 SQL Common Table Expression Exercises In this article, we offer you 11 practice exercises that put your knowledge of common table expressions (CTEs) into practice. Each CTE exercise is accompanied by a solution and a detailed explanation. As the saying goes, “A little progress each day adds up to big results”. And that is undoubtedly true for SQL proficiency. Just as you should regularly go to the gym to keep your muscles toned, you should do common table expressions exercises often to keep your querying skills toned for heavy data analysis work. Read more 29 Apr 2024 LearnSQL.com Team 10 Correlated Subquery Exercises with Solutions Correlated subqueries are a powerful SQL feature essential for advanced data analysis. This article provides 10 practical exercises to help you master correlated subqueries. SQL is a fundamental skill for anyone working with data, whether as a data analyst, a SQL developer, a data engineer, or any other related profession. Mastering SQL involves more than just understanding the basics. It also requires learning advanced SQL features, such as subqueries. Read more 25 Apr 2024 Gustavo du Mortier 19 PostgreSQL Practice Exercises with Detailed Solutions You’ve probably heard the saying “practice makes perfect”. Find out if this phrase is true by trying the comprehensive set of PostgreSQL practice exercises that you will find in this article! To master any language, it is essential to practice it regularly so as not to lose the skill. This is as true for verbal communication as it is for programming. And SQL programming is no exception. Even the most seasoned PostgreSQL programmer needs to do PostgreSQL practice daily to perfect (and maintain) their skills. Read more 29 Feb 2024 Alexandre Bruffa 20 SQL Practice Problems for Beginner and Intermediate Users Want to become an SQL expert? Try solving those 20 SQL practice problems! Whether you're just starting your SQL journey or preparing for exams, you need to sharpen your SQL skills if you want to become an expert. And you know what people say: practice makes perfect! Like most skills, SQL is best learned through experience; practicing SQL allows you to apply your knowledge to real-world scenarios. Through repeated practice, you'll gain the confidence to dive into complex SQL tasks and excel in both academic and professional fields. Read more 5 Feb 2024 Martyna Sławińska MySQL Practice: Best Exercises for Beginners These 15 MySQL exercises are especially designed for beginners. They cover essential topics like selecting data from one table, ordering and grouping data, and joining data from multiple tables This article showcases beginner-level MySQL practice exercises, including solutions and comprehensive explanations. If you need to practice … Selecting data from one table Ordering and grouping data Joining data from multiple tables … these 15 tasks are just for you! Read more 18 Jan 2024 Martyna Sławińska 18 SQL Questions for Beginners: Theory and Practice Whether you're starting or refreshing your SQL skills, join us as we work through these 18 SQL practice questions for beginners. SQL, or Structured Query Language, is a programming language used to define, retrieve, and manipulate data in relational databases. It provides an intuitive syntax of SQL statements and keywords that create, modify, and query relational databases. This article focuses on reviewing and practicing the basics of SQL. We’ll start by reviewing the SELECT statement and its required and optional components for fetching data from a single table. Read more 16 Nov 2023 Ignacio L. Bisso 10 GROUP BY SQL Practice Exercises with Solutions Need to practice your SQL skills? These 10 GROUP BY practice exercises – with explanations and solutions – are a great start! GROUP BY is a powerful SQL clause that allows you to create groups of records and then calculate summary metrics (such as averages) for those groups. However, GROUP BY is often challenging for SQL learners to master. Yet, practicing GROUP BY is very important if you’re planning on using SQL. Read more 9 Nov 2023 Alexandre Bruffa SQL Practice for Students: 11 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 17 Oct 2023 Nicole Darnley How to Create Your Own Database to Practice SQL Welcome to the step-by-step guide to creating your own SQL database from scratch, designed with beginners in mind. This guide not only helps you set up your database but also introduces you to essential SQL practice exercises to get you started on your learning journey. Follow along to gain SQL hands-on practice and foster a deeper understanding of SQL functionalities. Set a solid foundation for more advanced SQL training! Read more 14 Sep 2023 Martyna Sławińska 11 SQL Window Functions Exercises with Solutions In this article, we present 11 practice exercises involving SQL window functions, along with solutions and detailed explanations. SQL window functions are a powerful feature that lets us extract meaningful insights from our data easily, yet few SQL courses offer SQL window functions exercises. This makes practicing window functions quite difficult. In this article, we’ll give you 11 practice exercises that feature window functions. All exercises shown in this article come from our interactive courses Window Functions and Window Functions Practice Set. Read more 10 Aug 2023 Martyna Sławińska Advanced SQL Practice: 10 Exercises with Solutions As SQL proficiency continues to be in high demand for data professionals and developers alike, the importance of hands-on practice cannot be emphasized enough. Read on to delve into the world of advanced SQL and engage in practical exercises to enhance your skills. This article provides you with a collection of ten challenging SQL practice exercises specifically for those seeking to enhance their advanced SQL skills. The exercises cover a selection of SQL concepts and will help you refresh your advanced SQL knowledge. Read more 18 Apr 2023 Tihomir Babic 10 Beginner SQL Practice Exercises With Solutions Solve these ten SQL practice problems and test where you stand with your SQL knowledge! Practice is the best way to learn SQL. In this article we show you ten SQL practice exercises for beginners, where you can test your basic SQL knowledge. Use them as a practice or a way to learn new SQL concepts. For more theoretical background and (even more!) exercises, there’s our interactive SQL Basics course. Read more 21 Aug 2020 Jakub Romanowski Where Can I Find Free Online Data Sets to Practice SQL? Diving into the world of SQL can be an exciting journey. But to truly master this language, you need to practice SQL regularly. In this article, we'll guide you through some free online data sets that will help you take your SQL practice to the next level. Let's get started! You've successfully installed your chosen RDBMS and grasped the basics of SQL. So, what's the next step? Naturally, you're eager to apply and practice the SQL functions you've learned from our course. Read more 11 Mar 2020 Rebecca McKeown Learning SQL? 14 Ways to Practice SQL Online If you’re currently learning SQL, you may have found yourself knee-deep in reading material and wondering how on earth you can bridge the gap between book knowledge and real-life SQL application. In this article, we bring you 14 of the most effective ways to practice SQL online – taking you from a bookworm to a database butterfly in no time at all! “All theory and no practice will make you a frustrated SQL user! Read more
Online SQL practice is an excellent way to sharpen your SQL skills through hands-on experience. By working with real-world scenarios and interactive exercises, you can apply what you've learned and deepen your understanding of SQL. Below is a list of articles, all curated and developed by the SQL experts at LearnSQL.com. These resources include guides, tips, and practical exercises that cover everything from foundational queries to advanced topics. Whether you're a beginner or an experienced user, these articles are designed to help you refine your SQL skills through hands-on practice and expert insights.