Data integration is a critical and fundamental element in a variety of technologies, including data warehouses, business intelligence (BI) applications, service-oriented architectures (SOA), master data management (MDM) applications, and data-centric architectures. This white paper reviews the state of the market for data integration for 2008 and 2009. It defines data integration, discusses the trends in the data integration market, and provides lessons learned from real implementations. The information presented is based on the State of the Data Integration Market Survey, a study of more than 300 global data integration users conducted by Oracle in August 2008. It also incorporates industry research and projections by leading analyst firms.