| Abbreviation | Definition |
|---|---|
| RCOT | Reduced Consistent Output Table |
| RD | Record Delimiter |
| RDBM | Relational DataBase Management |
| RDBMS | Relational Database Management System |
| RDBMSs | Relational Database Management Systems |
| RDBS | Routing Data Base System |
| RDD | Reference Document Database |
| RDF | Retrieval Definition File |
| RDF | Rich Database Fundamentals |
| RDH | Real time Data Hub |
| RDID | Relationship Dependent Item Data |
| RDM | Raima Database Manager |
| RDM | Relational Database Mining |
| RDMP | Relational Database Management Program |
| RDMS | Relational database management system |
| RDMS | Relational Database Management Systems |
| RDMS | Relational Database Model System |
| RDN | Recovery Database Network |
| RDND | Rare Disorder Network Database |
| RDO | Relational Database Operator |