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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, Postgres, and other database systems.
A database is one of the essential components for many applications and is used for storing a series of data in a single set. In other words, it is a group/package of information that is put in order so that it can be easily accessed, manage, and update.
This tutorial covers SQL syntax, querying, sorting, filtering, joining, aggregating, grouping, and more with practical examples. It is designed for beginners who want to use SQL to analyze data in relational databases.
15 cze 2016 · Learn the basic concepts of databases, such as what they are, how to create them, and how to query them. This tutorial covers relational databases, data types, relationships, and more with screenshots and diagrams.
28 wrz 2023 · In this tutorial, we will focus on MySQL, a popular relational database management system (RDBMS). Backed by Oracle, MySQL is an open-source, reliable, scalable, and user-friendly database used by some of the most important companies in the tech space, including Meta, Netflix, and Airbnb.
Whether you’re a developer or a database enthusiast, our tutorials are designed to make learning MySQL a breeze. Our tutorials are packed with clear explanations and practical examples to help you find everything you need to become proficient in MySQL.
Learn SQL with DataCamp's free online courses and videos. SQL is a powerful language for querying and analyzing any amount of data in the world.
