Oracle Corporation is a global technology company that develops and markets enterprise software and hardware systems, with over 390,000 customers in more than 145 countries. It offers a variety of products including databases, middleware, applications for industries like finance and human resources, and hardware such as servers and storage. Key executives include Larry Ellison as Chairman and CTO, and CEOs Safra Catz and Mark Hurd, and the company has over 135,000 employees and annual revenue of over $38 billion.