SQL Tutorial
SQL is a standard computer language for accessing and processing databases.
In this tutorial, you will learn how to use SQL to access and process data in data systems, including databases such as MySQL, SQL Server, Access, Oracle, Sybase, DB2, and more.
Examples in Each Chapter
Each chapter provides simple SQL examples.
Example
SELECT * FROM Websites;
This tutorial's SQL has been tested on MySQL.
SQL files for the Websites table used in this tutorial: websites.sql.
SQL files for the access_log table used in this tutorial: access_log.sql.
SQL files for the apps table used in this tutorial: apps.sql.
SQL Quick Reference
A SQL quick reference guide that you can print and carry in your pocket for easy access.
SQL Data Types
Introduction to data types and ranges for Microsoft Access, MySQL, and SQL Server.