You can use DEC DATATRIEVE to access various relational database
       management systems. These systems include Oracle Rdb, VAX
       Rdb/ELN, and the DEC DB Integrator Gateway facility. DEC DB
       Integrator Gateway is a relational database facility that
       provides access to data stored on ORACLE, DB2, and SYBASE
       databases. DEC DB Integrator Gateway users have access to ORACLE,
       DB2, and SYBASE data through DEC DB Integrator Gateway with DEC
       DATATRIEVE, RDO, or a third generation language supported by an
       Oracle Rdb Data Manipulation Language precompiler.

       You can ready relational database directly or you can define
       domains for each relation you want to access.

       See also COMMIT, DEFINE DOMAIN, DEFINE DATABASE, FINISH, PRINT,
       READY, and ROLLBACK.