![]() ![]() If you’re keen on working closely with data and databases, then you’ll benefit from top-notch SQL skills. The language is fairly standardized and thus useful across many databases, but may require minor syntax adjustments from system to system. There’s no doubt that SQL is a transferable skill well-suited to any developer’s toolbox. The Learn SQL app is great for beginners who want to learn SQL via a convenient and flexible medium. ![]() The app walks through a series of SQL-focused topics including functions, retrieving and filtering data, joining multiple tables, and more. The app is gamified, giving developers the opportunity to earn points, unlock new levels and compete with other app users around the world for bragging rights. The top-rated app offers developers an interactive learning experience where they can start and stop lessons as they please. has created a free mobile app to teach SQL skills. If you prefer to learn at your own pace, Sololearn Inc. ![]() It also offers a quick reference guide for SQL syntax, which is very handy for developers both new and experienced. You can choose between locally redundant storage (LRS), zone-redundant storage (ZRS), geo-redundant storage (GRS), or read-access geo-redundant storage (RA-GRS). The tutorial offers step-by-step explainers, examples, practice questions in its online SQL editor, and quizzes to help developers understand how SQL works on different systems. Based on the Azure SQL Managed Instance pricing page, the Backup Storage Tier is the type of storage used for storing automated backups of your databases. W3Schools offers a comprehensive SQL tutorial to help developers learn about Oracle, MySQL, SQL Server, and more. This course is designed to help developers learn SQL for the purpose of data science, but offers a useful introduction to help anyone begin to feel comfortable working with databases. With over 49,000 participants and counting, the course features 41 exercises and chapters providing instruction on filtering rows, aggregate functions and more. DataCamp SQL CourseĭataCamp, a website hosting interactive online courses for machine learning and statistics, offers a free, four-hour Intro to SQL course with a focus on data science. Whether you’re interested in learning about SQL or refreshing your skills and knowledge, here are some resources to help you on your way. As companies collect more and more data, they’re seeking talented developers with top notch SQL skills to help manage their growing databases. It’s the fundamental programming language used to update, retrieve, and work with data, which is why virtually everybody benefits from learning SQL.įrom financial services and government offices to tech startups and media companies, many different kinds of organizations employ a database to store their information. Fast forward to today, and SQL is the standard language for most relational database management systems. First introduced in the early 1970s, SQL (Standardized Query Language) was initially used by IBM to maintain its database management system. ![]()
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