SQL Tutorials - Learn SQL quickly & easily!



What is SQL?

SQL, often referred to as Structured Query Language, is a database computer language designed for managing data in relational database management systems (RDBMS), and originally based upon relational algebra.

The first incarnation of SQL appeared in 1974, when a group in IBM developed the first prototype of a relational database. The first commercial relational database was released by Relational Software (later becoming Oracle).

SQL is a standard language for accessing databases, and our SQL tutorials below will teach you how to use SQL to access and manipulate data in:

MySQL, SQL Server, Access, Oracle, Sybase, DB2, and other database systems.

 

SQL Tutorials

An Introduction to SQL

The WHERE and LIKE Clauses

SQL JOINS

Useful Statements in SQL

SQL Aggregate Functions

SQL GROUP BY

SQL Exam!


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