Oracle is an American company. It makes hardware systems and enterprise software (software for businesses) such as database management systems. Its headquarters are in Redwood City, California, United States. The founder is Lary Ellison. In 2010, it employed 105,000 people worldwide. It has increased in size through natural growth and by buying other companies. By 2007 Oracle had the third-largest software revenue, after Microsoft and IBM.
In January 2010 it bought Sun Microsystems.
The corporation has arguably become best known for its flagship product, the Oracle Database. The company also builds tools for database development and systems of middle-tier software, enterprise resource planning software (ERP), customer relationship management software (CRM) and supply chain management (SCM) software.
As of 2013, Larry Ellison, a co-founder of Oracle Corporation, has served as Oracle's CEO throughout its history. He also served as the Chairman of the Board until his replacement by Jeffrey O. Henley in 2004. On August 22, 2008 the Associated Press ranked Ellison as the top-paid chief executive in the world.