Start free ORACLE practice test papers in EXAMIN. It consists of Topic-wise Tests, Section-wise Tests, Mock Tests and Previous Year Papers. Oracle Corporation is an American multinational computer technology corporation, headquartered in Redwood Shores, California. The company primarily specializes in developing and marketing database software and technology, cloud engineered systems and enterprise software products—particularly its own brands of database management systems. In 2015 Oracle was the second-largest software maker by revenue, after Microsoft.