Oracle Corporation is an American multinational computer technology corporation headquartered in Redwood Shores, California. The company specializes primarily in developing and marketing database software and technology, cloud engineered systems, and enterprise software products — particularly its own brands of database management systems. In 2014, Oracle was the second-largest software maker by revenue, after Microsoft.
The company also develops and builds tools for database development and systems of middle-tier software, enterprise resource planning (ERP) software, customer relationship management (CRM) software, and supply chain management (SCM) software.
Oracle designs, manufactures, and sells both software and hardware products, as well as offering services that complement them (such as financing, training, consulting, and hosting services). Many of the products have been added to Oracle's portfolio through acquisitions.