Connect "shrink wrapped" software (Excel, Crystal Reports, Business Objects) to back-end Databases.
Develop database independent applications, utilities, or websites using OpenLink Virtuoso Universal Server
Use DBMS vendor provided Gateways and other Middleware products (HSODBC, dg4odbc, SSIS, etc,) to establish concurrent connections to multiple databases.
Virtuoso's SQL creates native XML data from relational data using SQLX extensions. Mapping schemas allow presenting joins of tables as XML entity hierarchies.