SQL tutorial

SQL Tutorial is an quick way to learn the basic elements of SQL language.
The basic SQL commands are: create, alter, drop, insert, update, delete.
Learn how to use DDL (Data Definition Language) commands and DML Statements (Data Manipulation Language).
DDL consists of defining the objects of a database. The objects of the database are: tables, columns, indexes, constraints.
DML represent commands that manipulate the database. The DML commands are: insert, update, delete.

SQL tutorial