Almost every enterprise today must support a diverse number of systems and databases.
Platforms range from the desktop to the mainframe and include both open and proprietary systems.
The typical enterprise has made significant investments in applications and systems. These investments cannot be easily changed or migrated. Organizations must efficiently join data from a number of different sources for use by new or existing applications. Additionally, many organizations are seeing an ever increasing need to provide Web access to legacy data. The gateways permit Ingres applications to run against data that resides in foreign relational and non-relational database management systems.