| Abbreviation | Definition |
|---|---|
| RIAT | Record Identification Attribute Table |
| RICE | Reports, Interfaces, Conversions, and Extensions |
| RIDER | Reference Image Database to Evaluate Response |
| RIDS | Rules in Database Systems |
| RIFF | Resource Interchange File Format |
| RIM | RDBMS (Relational DataBase Management System) Interface Module |
| RIN | Related Item Number |
| RISE | Rheumatology Informatics System for Effectiveness |
| RIT | Release Interface Tape |
| RIU | Resource Information Unit |
| RL | Record Length |
| RL | Repository Language |
| RLS | Record Level Sharing |
| RMAN | Recovery Manager |
| RMD | Rice Mutant Database |
| RMD | Robocall Mitigation Database |
| RN | Record Number |
| RND | Reassigned Numbers Database |
| RNDS | Reads No Database State |
| ROF | Rest Of Field |