One of the big players in the IT market, Oracle Systems Corporation came into being in 1977. Since then the company has established an impressive client base (which includes about 97% of the Fortune 500 companies) with their offerings of database software, engineered systems, Cloud solutions and servers. Oracle has also come to introduce an impressive amount of 300 Certification courses for IT professionals through the Oracle University. Oracle impresses with the sheer number of certification courses available which exceeds the likes of even Microsoft and Cisco.