SQL is the standard query language used for working with relational databases.
This SQL tutorial consists of the following lessons:
This free SQL tutorial covers the SQL (Structure Query Language) syntax and its various SQL commands. It assumes a basic knowledge of databases and database design.
Although not essential, you will benefit most from practicing the examples on your own computer — this would require a database management system such as MySQL, SQL Server, or Oracle to be configured on your machine.
If you don't have a database management system installed on your machine, don't despair, you can still learn SQL is and its syntax. Then, when you do find yourself a database system, you will know just what to do!
If you don't have a basic understanding of databases, start with the database tutorial, which steps through the fundamental concepts of databases. Once you've completed that tutorial, come back and breeze through this one!