SQL Tutorial

Structured query language (SQL) is a standard Database language for storing and processing information in a relational database.

A relational database stores information in tabular form, with rows and columns representing different data attributes and the various relationships between the data values. You can use SQL statements to store, update, remove, search, and retrieve information from the database.

In this tutorial we learn how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix and other database systems.