SQL Tutorial
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SQL is a standard language for accessing and manipulating databases.
Our SQL tutorial will teach you how to use SQL to access and manipulate data in MySQL, SQL Server, MS Access, Oracle, Sybase, DB2, and other database systems.
Start learning SQL now!
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Learn by examples! With our editor, you can edit the SQL, and click on a button to view the result.
Try-It-Yourself!
Test your SQL skills at W3Schools!
Start SQL Quiz!
An SQL Quick Reference. Print it and put it in your pocket.
SQL Quick Reference
Data types and ranges for Microsoft Access, MySQL and SQL Server.
SQL Data Types
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