| Abbreviation | Definition |
|---|---|
| OFSAAI | Oracle Financial Services Analytical Applications Infrastructure |
| OG | Oracle Graphics |
| OH | Oracle Help |
| OH | Oracle Home |
| OHJ | Oracle Help for Java |
| OICD | Online Indoor Cricket Database |
| OID | Object Identifier database |
| OID | Oracle Internet Directory |
| OIDIRI | International Object Identifier |
| OIMD | Online ICT Manpower Database |
| OIN | Oracle Information Navigator |
| OLAM | On-Line Analytical Mining |
| OLAP | On-Line Analytical Processing |
| OLEDB | Object Linking and Embedding Data Base |
| OLEDB | Object Linking Embedding Data Base |
| OLEDS | Object Linking and Embedding Directory Services |
| OLER | On-Line Entry Requirements |
| OLRT | On-Line Real-Time |
| OLTP | On-Line Transaction Processing |
| OM | Object Manager |