But every peak has an accompanying valley. Evans Data's recent survey of 600 database developers showed that Oracle placed ahead of Microsoft in market share by 2.8 percent. Like business plans and database choices, the choice of a market leader depends on how you define the game. And according to customers using Microsoft and Oracle databases, the same could be said regarding which product wins on scalability, COO and ROI and represents the best quarterback in a company's database playoff. It's build the same as IBM's famous mainframe database,DB2, and is a realtime, stable environment.
Installation is fairly easy and maintenance is low.