Oracle Corporation is a multinational computer technology corporation that specializes in developing and marketing computer hardware systems and enterprise software products (particularly database management systems, or simple DBMS). Oracle Corporation was founded by Larry Ellison, Bob Miner and Ed Oates in Santa Clara, California on June 16th 1977.
Sun Microsystems was also founded in Santa Clara, California on February 18th 1982. The main activity of Sun was selling computers, computer components, computer software, and information technology services. Based on an agreement signed on April 20th 2009, the Sun Microsystems was acquired by Oracle Corporation on January 27th 2010.