These are related links for Oracle Rdb™ and CODASYL DBMS™ that you may find helpful.

Compaq/HP
See the history and performance comparison from VAX-11/750 to AlphaServer GS320. Unbelievable! 

Oracle Rdb™
Oracle's page for current news about Rdb and CODASYL DBMS™ products.

Oracle Rdb™ - Product Info
Oracle's main page for product information about the Rdb family of products, including Oracle CODASYL DBMS™.

CODASYL Info
Information specifically related to CODASYL DBMS™.

Oracle Technet for RDB Products
Oracle's technical support pages for the Rdb family of products, including CODASYL DBMS™.

OPENVMS Newsletter
Compaq/HP's OPENVMS Newsletter.