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SQL Basic

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SQL Quiz

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SQL is a standard language for accessing databases.

Our SQL tutorial will teach you how to use SQL to access and manipulate data in:

MySQL, SQL Server, Access, Oracle, Sybase, DB2, and other database systems.

SQL Syntax:

SELECT Company, Country FROM Customers WHERE Country <> 'USA'

SQL Result:

Company Country
Island Trading UK
Galera del gastrnomo Spain
Laughing Bacchus Wine Cellars Canada
Paris spcialits France
Simons bistro Denmark
Wolski Zajazd Poland

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SQL Demo

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Test your SQL skills at W3Schools!

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SQL Quick Reference

An SQL Quick Reference. Print it and put it in your pocket.

SQL Quick Reference

SQL Data Types

Data types and ranges for Microsoft Access, MySQL and SQL Server.

SQL Data Types

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