Abstract: Computer systems often strive to retrieve and process data from multiple sources. Integration and processing of data from multiple data sources tends to increase processing demands and decrease throughput due to the additional deployment of computational resources for handling multiple sources. An executable entity, such as a bean, which accesses each data source by the location of the data objects, and retrieves data objects corresponding to rows of data, is operable to access a plurality of data sources independently of the storage medium (i.e. DBMS), or format, and aggregate multiple objects from each of the data sources into a set of compound objects, in which each compound object includes associated fields from the accessed objects of the individual data sources.