SQL is a standard language for storing, manipulating and retrieving data in databases. Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, …

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Introduced in the 1970s, SQL offered two main advantages over older read–write APIs such as ISAM or VSAM. Firstly, it introduced the concept of accessing many records with one single command. …

This SQL Tutorial helps you master SQL quickly and effectively through many hands-on and practical examples with quizzes.

Nov 5, 2025 · Learn the foundational concepts of SQL, essential for anyone working with relational databases. This section covers the syntax, commands, and key elements to start querying and …

SQL, or Structured Query Language, is a language designed to allow both technical and non-technical users to query, manipulate, and transform data from a relational database. And due to its simplicity, …

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By practicing your SQL commands and seeing immediate results you will learn quickly. More than 200,000 students learnt SQL since 2017. Use the menu and follow the tutorial to learn SQL on your …

In this SQL course, you’ll learn how to manage large datasets and analyze real data using the standard data management language. Information is all around us. You can put it to use by learning SQL basics.

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