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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, Informix, Postgres, an… See more

    Examples in Each Chapter

    With our online SQL editor, you can edit the SQL statements, and click on a button to view the result. Click on the "Try it Yourself" button to see how it works.

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    SQL Exercises

    Many chapters in this tutorial end with an exercise where you can check your level of knowledge. See all SQL Exercises

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    SQL Examples

    Learn by examples! This tutorial supplements all explanations with clarifying examples. See All SQL Examples

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  1. SQL Tutorial - Learn SQL - W3Schools

    SQL (Structured Query Language) is a standard database programming language for accessing and manipulating data in a relational database. It is a powerful language widely used in …

  2. MySQL SQL - W3Schools

    What is SQL? SQL is the standard language for dealing with Relational Databases. SQL is used to insert, search, update, and delete database records.