Free Online SQL Documentation, Tutorial, References
Looking for some free online resources to get you started with the Structured Query Language or SQL
(pronounced "sequel")? Whether you are a programmer wishing to write a database application or a
web designer who wants his website to have database access, SQL is an important language to learn
since it is the almost universal language used to access databases nowadays. The list of tutorials,
getting started guides and references listed below may be some good places to help you get started.
If you are looking for a book on SQL, one possibility (if you are a beginner) is to try
The
Practical SQL Handbook: Using Structured Query Language (publisher: Addison-Wesley).
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Use it at your own risk. Just because a program, book or service is
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standard disclaimers also apply.
Free Online SQL Documentation, Tutorials, References
- Learn SQL Tutorial

This tutorial takes you through the basics of SQL.
- Introduction to Structured Query Language

This is a tutorial on Structured Query Language (SQL) for ANSI SQL or standard SQL.
- A Gentle Introduction to SQL
This site provides an assortment of notes on various SQL commands.
- PHP/MySQL Tutorial
A tutorial on MySQL for people who plan to use PHP to access it. It's a useful getting started
guide for people who are planning to develop web scripts in PHP that interface with MySQL. It
assumes you know PHP.
- PostgreSQL: Introduction and Concepts
This is the online version of the Bruce
Momjian's book published by Addison-Wesley.
- Oreilly Network: About SQL
You can find information on how to use various SQL clauses like GROUP BY, ORDER BY, WHERE,
DELETE, UPDATE, INSERT, and SELECT. There is also a getting started guide to SQL.
- Setting Up a MySQL Based Website Part I
A tutorial on using MySQL, the popular SQL server used on numerous web servers.
- Setting Up a MySQL Based Website Part II: Performing User Authentication via MySQL
Part 2 of the tutorial on MySQL.
- PL/SQL Tutorials (for Oracle users)
This tutorial deals with PL/SQL, and is probably relevant for Oracle users only.
- Interactive/On-line SQL Tutorial
This tutorial comes with an online SQL interpreter and live practice database.
- Advanced/Intermediate Interactive/On-line SQL Tutorial
This is the SeQueL to the interactive online SQL tutorial listed above.
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Free Online SQL Documentation, Tutorial, References