Oracle Essbase is the industry-leading multi-dimensional online analytical processing (OLAP) server, providing a rich environment for effectively developing custom analytic and Enterprise Performance Management Applications. By leveraging Oracle Essbase self-managed, rapid application development capabilities, business users can quickly model complex business scenarios. For example, line-of-business personnel can simply and rapidly develop and manage analytic applications that can forecast likely business performance levels and deliver "what-if" analysis for varying conditions. Oracle Essbase supports extremely fast query response times for vast numbers of users, large data sets, and complex business models.