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  1. SQL Tutorial - W3Schools

    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, …

  2. SQL - Wikipedia

    Structured Query Language (SQL) (pronounced / ˌɛsˌkjuˈɛl / S-Q-L; or alternatively as / ˈsiːkwəl / ⓘ "sequel") [4][5] is a domain-specific language used to manage data, especially in a …

  3. SQL Tutorial - GeeksforGeeks

    Jun 25, 2025 · SQL is widely supported across various database systems like MySQL, Oracle, PostgreSQL, SQL Server and many others. This tutorial covers everything from fundamental …

  4. SQL Tutorial: Learn SQL from Scratch for Beginners

    This SQL Tutorial helps you master SQL quickly and effectively with clear concepts, hands-on examples, and interactive quizzes. Whether you’re a software developer, database …

  5. SQL Tutorial - Learn SQL Basics and Advanced Techniques

    Our SQL tutorial helps you learn SQL (Structured Query Language) in simple and easy steps so that you can start your database programming quickly. It covers most of the important …

  6. SQLBolt - Learn SQL - Introduction to SQL

    What is SQL? 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 …

  7. SQL Server Management Studio | Microsoft Learn

    Learn how to use SQL Server Management Studio (SSMS) to connect to and query SQL Server, Azure SQL Database, Azure SQL Managed Instance, SQL database in Microsoft Fabric, and …

  8. What Is SQL? - LearnSQL.com

    Jun 28, 2022 · SQL, or Structured Query Language, is a programming language used to talk to databases. With SQL, you can store, manipulate, and retrieve data from relational databases. …

  9. SQL Server 2019 | Microsoft

    Transform your business with a unified data platform. SQL Server 2019 comes with Apache Spark and Hadoop Distributed File System (HDFS) for intelligence over all your data.

  10. What is SQL & How Does It Work? A Guide to Structured Query Language

    Oct 6, 2021 · SQL is the most common language for extracting and organising data that is stored in a relational database. A database is a table that consists of rows and columns. SQL is the …