SQL Tutorial

SQL is a standard computer language used to access and process databases.

In this tutorial, you will learn how to use SQL to access and process data in data systems, including databases such as Oracle, Sybase, SQL Server, DB2, Access, and so on.

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Note:The names, addresses, and other information appearing in this tutorial are for teaching purposes only and are not related to the actual situation.

SQL Quiz

Test your SQL skills at CodeW3C.com!

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