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Free SQL Resources

sql-tutorial.com
Free educational web site covering SQL concepts and clauses.

SQL Tutorial - Learn SQL
This SQL tutorial will teach you how to use commonly used SQL commands so you will be able to apply most of the knowledge gathered from this SQL tutorial to many different databases.

A Gentle Introduction to SQL
Interactive SQL tutorial. SQL Server, Oracle, MySQL, PostgreSQL and Access. SELECT statements including joins and functions.

sqlcourse.com
Interactive/On-line SQL Tutorial with SQL Interpreter & live practice database

W3Schools
In our SQL tutorial you will learn how to use SQL to access, define, and manipulate the data in a database system, like Oracle, DB2, Sybase, Informix, Microsoft SQL Server, Access, and others

SQL Tutorial
This SQL Tutorial site is aimed to teach beginners the building blocks of SQL

SQL Tutorial
A short sql tutorial that covers the basic commands.

SQLCourse2.com
This unique SQL Tutorial is the sequel to the highly successful SQLCourse.com site and will provide you with more advanced easy-to-follow SQL Instruction and the ability to practice what you learn on-line with immediate feedback

SQL Tutorial
This document is a general tutorial on the database sublanguage - SQL.

SQL Syntax
This document is written for users who wish to run their own queries of the database.