What is Oracle

Oracle database is a relational database management system. It is known as Oracle database, OracleDB or simply Oracle. It is produced and marketed by Oracle Corporation.

Oracle database is the first database designed for enterprise grid computing. The enterprise grid computing provides the most flexible and cost effective way to manage information and applications.

Different editions of Oracle database

Following are the four editions of the Oracle database.

• Enterprise Edition: It is the most robust and secure edition. It offers all features, including superior performance and security.
• Standard Edition: It provides the base functionality for users that do not require Enterprise Edition's robust package.
• Express Edition (XE): It is the lightweight, free and limited Windows and Linux edition.
• Oracle Lite: It is designed for mobile devices.

The Oracle Corporation

Oracle Corporation is the largest software company in the field of database business. Its relational database was the first to support SQL which has since become the industry standard.

Oracle database is one of the most trusted and widely used relational database engines. The biggest rival of Oracle database is Microsoft's SQL Server.

History of Oracle

Oracle was originally developed by Lawrence Ellison (Larry Ellision) and his two friends and former co-worker in 1977. Oracle DB runs on the most major platforms like Windows, UNIX, Linux and Mac OS.