Sites specialised in teaching you SQL.
A Gentle Introduction to SQL
An interactive SQL tutorial using SQL Server, Oracle, MySQL, DB2, Mimer SQL, PostgreSQL and Access.
[ Affiliated: March 10, 2002 | Your Feedback for this Link ]
FunctionX SQL Tutorial
This is a tutorial on the SQL language. The SQL statements on this site were tested on MySQL and Microsoft SQL Server 2000.
[ Affiliated: April 06, 2003 | Your Feedback for this Link ]
This unique introductory SQL tutorial not only provides easy-to-understand SQL instructions, but it allows you to practice what you learn using the on-line SQL interpreter.
[ Affiliated: October 03, 2001 | Your Feedback for this Link ]
The Sql tutorial uses an access sample database with an existing interface. It is complex enough to explain group by and subqueries in joins.
[ Affiliated: June 27, 2004 | Your Feedback for this Link ]