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Oracle® Database Online Documentation Library Master Glossary: O
11g Release 2 (11.2)

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Glossary Definitions

O-Cluster (Data Mining Concepts) 

OASIS (XML Developer's Kit Programmer's Guide) 

obfuscated (Database Platform Guide) 

obfuscation (Database Enterprise User Security Administrator's Guide) 
    [definition #2] (Database Advanced Security Administrator's Guide) 

obfuscator (Database Enterprise User Security Administrator's Guide) 
    [definition #2] (Database Advanced Security Administrator's Guide) 

object class (Database Net Services Administrator's Guide) 
    [definition #2] (Database Net Services Reference) 
    [definition #3] (Database Enterprise User Security Administrator's Guide) 
    [definition #4] (Database Advanced Security Administrator's Guide) 

object column (Database Object-Relational Developer's Guide) 

object dependency (Streams Concepts and Administration) 

object identifier (Database Object-Relational Developer's Guide) 

object instance (Database Object-Relational Developer's Guide) 

Object Link Manager (OLM) (Real Application Clusters Administration and Deployment Guide) 
    [definition #2] (Database 2 Day + Real Application Clusters Guide) 

object table (Database Object-Relational Developer's Guide) 
    [definition #2] (Database Concepts) 

object type (Streams Advanced Queuing User's Guide) 
    [definition #2] (Database Object-Relational Developer's Guide) 
    [definition #3] (Database Concepts) 

object-relational database management system (ORDBMS) (Database Concepts) 

observer (Data Guard Broker) 

obsolete backup (Database Backup and Recovery User's Guide) 

OC4J (XML Developer's Kit Programmer's Guide) 

OCI (Database Net Services Administrator's Guide) 
    [definition #2] (Streams Advanced Queuing User's Guide) 
    [definition #3] (Database Net Services Reference) 
    [definition #4] (Database Platform Guide) 

OCR writer (Clusterware Administration and Deployment Guide) 

OCSSD (Real Application Clusters Administration and Deployment Guide) 
    [definition #2] (Database 2 Day + Real Application Clusters Guide) 

ODBC Administrator (TimesTen In-Memory Database Operations Guide) 

ODBC data source name (TimesTen In-Memory Database Operations Guide) 

ODBC data source (TimesTen In-Memory Database Operations Guide) 

ODBC Driver Manager (TimesTen In-Memory Database Operations Guide) 

ODBC driver (TimesTen In-Memory Database Operations Guide) 

ODBC initialization file (ODBC INI) (TimesTen In-Memory Database Operations Guide) 

ODBC (TimesTen In-Memory Database Operations Guide) 

ODI (Warehouse Builder Concepts) 

OFA (Database Platform Guide) 

offline normal (Database Backup and Recovery User's Guide) 

offset (Spatial Developer's Guide) 

offsite backup (Database Backup and Recovery User's Guide) 

OJMS (Streams Advanced Queuing User's Guide) 

OLAP DML (OLAP User's Guide) 

OLAP expression syntax (OLAP User's Guide) 

OLAP (Database Concepts) 
    [definition #2] (OLAP User's Guide) 

oldest SCN (Streams Concepts and Administration) 

OLTP (Streams Advanced Queuing User's Guide) 
    [definition #2] (Database Concepts) 
    [definition #3] (Database Data Warehousing Guide) 
    [definition #4] (OLAP User's Guide) 

OMB (Warehouse Builder Concepts) 

OMB*Plus (Warehouse Builder Concepts) 

OMU (Warehouse Builder Concepts) 

on the fly (OLAP User's Guide) 

one-class Support Vector Machine (Data Mining Concepts) 

online backup (Database Backup and Recovery User's Guide) 

online redo log group (Database Backup and Recovery User's Guide) 

online redo log member (Database Backup and Recovery User's Guide) 

online redo log (Database Concepts) 
    [definition #2] (Database Backup and Recovery User's Guide) 

online transaction processing (OLTP) (Database Data Warehousing Guide) 

Online Transaction Processing (Streams Advanced Queuing User's Guide) 

ontology (Database Semantic Technologies Developer's Guide) 

OO4O (Streams Advanced Queuing User's Guide) 

Open Database Connectivity (ODBC) (TimesTen In-Memory Database Operations Guide) 

Open Systems Interconnection (OSI) (Database Net Services Administrator's Guide) 
    [definition #2] (Database Net Services Reference) 

open workload (Database Quality of Service Management User's Guide) 

operating system authenticated connections (Database Client Installation Guide) 

operating system backup and recovery (Database Backup and Recovery User's Guide) 

operating system backup (Database Backup and Recovery User's Guide) 

operator (Database Concepts) 
    [definition #2] (Warehouse Builder Concepts) 

OPI (Database Net Services Reference) 
    [definition #2] (Database Net Services Administrator's Guide) 

OPS$ (Database Installation Guide) 
    [definition #2] (Database Installation Guide) 
    [definition #3] (Database Client Installation Guide) 
    [definition #4] (Database Installation Guide) 
    [definition #5] (Database Installation Guide) 
    [definition #6] (Database Installation Guide) 

Optimal Flexible Architecture (OFA) (Services for Microsoft Transaction Server Developer's Guide) 
    [definition #2] (COM Automation Feature Developer's Guide) 

optimal flexible architecture (OFA) (Database 2 Day + Real Application Clusters Guide) 

Optimal Flexible Architecture (Database Platform Guide) 

optimizer mode (Database Performance Tuning Guide) 

optimizer (Database Performance Tuning Guide) 
    [definition #2] (Database Concepts) 

Oracle Active Data Guard option (Database High Availability Best Practices) 
    [definition #2] (Database High Availability Overview) 

Oracle Advanced Security (Database Net Services Administrator's Guide) 
    [definition #2] (Database Net Services Reference) 

Oracle Application Server (XML Developer's Kit Programmer's Guide) 

Oracle architecture (Database Concepts) 

Oracle ASM disk group (Database Concepts) 

Oracle ASM (Database Concepts) 

Oracle Automatic Storage Management (Oracle ASM) (Database Concepts) 
    [definition #2] (Clusterware Administration and Deployment Guide) 

Oracle Automatic Storage Management Cluster (Automatic Storage Management Administrator's Guide) 

Oracle Automatic Storage Management disk group (Database Installation Guide) 
    [definition #2] (Database Installation Guide) 
    [definition #3] (Database Installation Guide) 
    [definition #4] (Database Installation Guide) 
    [definition #5] (Database Installation Guide) 

Oracle Automatic Storage Management instance (Database Installation Guide) 
    [definition #2] (Database Installation Guide) 
    [definition #3] (Database Installation Guide) 
    [definition #4] (Database Installation Guide) 
    [definition #5] (Database Installation Guide) 

Oracle Automatic Storage Management (Database Installation Guide) 
    [definition #2] (Database Installation Guide) 
    [definition #3] (Database Installation Guide) 
    [definition #4] (Database Installation Guide) 
    [definition #5] (Database Installation Guide) 

Oracle Base directory (Database 2 Day + Real Application Clusters Guide) 

Oracle Call Interface (OCI) (Database Net Services Administrator's Guide) 
    [definition #2] (Services for Microsoft Transaction Server Developer's Guide) 
    [definition #3] (Database Net Services Reference) 

Oracle Call Interface (Streams Advanced Queuing User's Guide) 
    [definition #2] (Database Platform Guide) 

Oracle Cluster File System (OCFS) (Database 2 Day + Real Application Clusters Guide) 

Oracle Cluster File Systems (Real Application Clusters Administration and Deployment Guide) 

Oracle Cluster Registry (OCR) (Database 2 Day + Real Application Clusters Guide) 
    [definition #2] (Clusterware Administration and Deployment Guide) 
    [definition #3] (Real Application Clusters Administration and Deployment Guide) 

Oracle Clusterware stack (Clusterware Administration and Deployment Guide) 

Oracle Clusterware (Clusterware Administration and Deployment Guide) 
    [definition #2] (Real Application Clusters Administration and Deployment Guide) 
    [definition #3] (Database Concepts) 
    [definition #4] (Database 2 Day + Real Application Clusters Guide) 

Oracle CM SDK (XML Developer's Kit Programmer's Guide) 

Oracle COM Automation Feature (COM Automation Feature Developer's Guide) 

Oracle Connection Manager Control utility (Database Net Services Reference) 
    [definition #2] (Database Net Services Administrator's Guide) 

Oracle Connection Manager (Database Net Services Administrator's Guide) 
    [definition #2] (Database Net Services Reference) 

Oracle Content Management SDK (XML Developer's Kit Programmer's Guide) 

Oracle Context (Database Net Services Administrator's Guide) 
    [definition #2] (Database Client Installation Guide) 
    [definition #3] (Database Net Services Reference) 
    [definition #4] (Database Enterprise User Security Administrator's Guide) 
    [definition #5] (Database Advanced Security Administrator's Guide) 

Oracle Data Integrator (Warehouse Builder Concepts) 

Oracle Data Provider for .NET (ODP.NET) (Services for Microsoft Transaction Server Developer's Guide) 

Oracle Data Redaction (Database Advanced Security Administrator's Guide) 
    [definition #2] (Database Concepts) 

Oracle database method (Database Enterprise User Security Administrator's Guide) 

Oracle Database Resource Manager (Database Quality of Service Management User's Guide) 

Oracle Database schema users (TimesTen Application-Tier Database Cache User's Guide) 

Oracle Database timesten user (TimesTen Application-Tier Database Cache User's Guide) 

Oracle Database Vault (Database Concepts) 

Oracle Enterprise Manager Configuration Assistant (EMCA) (Real Application Clusters Administration and Deployment Guide) 

Oracle Enterprise Manager (Database Net Services Administrator's Guide) 
    [definition #2] (Database Concepts) 
    [definition #3] (Database Net Services Reference) 

Oracle Fail Safe (Services for Microsoft Transaction Server Developer's Guide) 

Oracle Flashback Database (Database Backup and Recovery User's Guide) 

Oracle Flashback Technology (Database Backup and Recovery User's Guide) 

Oracle Grid Infrastructure for a cluster (Database Quality of Service Management User's Guide) 

Oracle Grid Infrastructure (Real Application Clusters Administration and Deployment Guide) 

Oracle Grid Naming Service Daemon (GNSD) (Real Application Clusters Administration and Deployment Guide) 

Oracle High Availability Services Daemon (OHASD) (Real Application Clusters Administration and Deployment Guide) 

Oracle Home directory (Database 2 Day + Real Application Clusters Guide) 

Oracle home (Database Concepts) 
    [definition #2] (Database Installation Guide) 
    [definition #3] (Database Installation Guide) 
    [definition #4] (Database Installation Guide) 
    [definition #5] (Database Installation Guide) 
    [definition #6] (Database Installation Guide) 
    [definition #7] (Database Client Installation Guide) 

Oracle Identity Management (Database Net Services Administrator's Guide) 
    [definition #2] (Database Net Services Reference) 

Oracle Interface Configuration Tool (OIFCFG) (Real Application Clusters Administration and Deployment Guide) 
    [definition #2] (Database 2 Day + Real Application Clusters Guide) 

Oracle interMedia (Multimedia DICOM Developer's Guide) 
    [definition #2] (Multimedia User's Guide) 

Oracle Internet Directory (Database Net Services Administrator's Guide) 
    [definition #2] (Database Platform Guide) 
    [definition #3] (Database Net Services Reference) 

Oracle Inventory directory (Database 2 Day + Real Application Clusters Guide) 

Oracle Java Message Service (Streams Advanced Queuing User's Guide) 

Oracle Locale Builder (Database Globalization Support Guide) 

Oracle managed file (Database Backup and Recovery User's Guide) 

Oracle Managed Files (OMF) (Database Backup and Recovery User's Guide) 

Oracle Managed Files (Real Application Clusters Administration and Deployment Guide) 

Oracle MTS Recovery Service (Services for Microsoft Transaction Server Developer's Guide) 

Oracle Net Configuration Assistant (Database Net Services Administrator's Guide) 
    [definition #2] (Database Net Services Reference) 

Oracle Net Firewall Proxy (Database Net Services Administrator's Guide) 
    [definition #2] (Database Net Services Reference) 

Oracle Net foundation layer (Database Installation Guide) 
    [definition #2] (Database Installation Guide) 
    [definition #3] (Database Client Installation Guide) 
    [definition #4] (Database Installation Guide) 
    [definition #5] (Database Installation Guide) 
    [definition #6] (Database Installation Guide) 
    [definition #7] (Database Net Services Administrator's Guide) 
    [definition #8] (Database Net Services Reference) 

Oracle Net Listener (Database Net Services Administrator's Guide) 

Oracle Net listener (Database Net Services Reference) 

Oracle Net Listener (Database Concepts) 

Oracle Net Manager (Database Net Services Administrator's Guide) 
    [definition #2] (Database Net Services Reference) 

Oracle Net Services (Database Net Services Administrator's Guide) 
    [definition #2] (Database Net Services Reference) 
    [definition #3] (Database Platform Guide) 
    [definition #4] (Data Provider for .NET Developer's Guide) 
    [definition #5] (Database Extensions for .NET Developer's Guide) 
    [definition #6] (Database Concepts) 
    [definition #7] (Provider for OLE DB Developer's Guide) 
    [definition #8] (Database Enterprise User Security Administrator's Guide) 
    [definition #9] (Database Advanced Security Administrator's Guide) 

Oracle Net (Database Net Services Administrator's Guide) 
    [definition #2] (Database Net Services Reference) 
    [definition #3] (Database Platform Guide) 
    [definition #4] (Database Concepts) 
    [definition #5] (COM Automation Feature Developer's Guide) 

Oracle Notification Service (Real Application Clusters Administration and Deployment Guide) 

Oracle Notification Services (ONS) (Database 2 Day + Real Application Clusters Guide) 

Oracle Objects for OLE (OO4O) (Services for Microsoft Transaction Server Developer's Guide) 

Oracle Objects for OLE (Streams Advanced Queuing User's Guide) 

Oracle Open Database Connectivity (ODBC) Driver (Services for Microsoft Transaction Server Developer's Guide) 

Oracle PKI certificate usages (Database Enterprise User Security Administrator's Guide) 
    [definition #2] (Database Advanced Security Administrator's Guide) 

Oracle PKI (Database Platform Guide) 

Oracle process (Database Concepts) 

Oracle Program Interface (OPI) (Database Net Services Administrator's Guide) 
    [definition #2] (Database Net Services Reference) 

Oracle protocol support (Database Net Services Administrator's Guide) 
    [definition #2] (Database Net Services Reference) 

Oracle Protocol Support (Database Platform Guide) 

Oracle Provider for OLE DB (Services for Microsoft Transaction Server Developer's Guide) 

Oracle RAC (Database Concepts) 

Oracle Rdb (Database Net Services Reference) 
    [definition #2] (Database Net Services Administrator's Guide) 

Oracle Real Application Clusters (Oracle RAC) (Database Net Services Administrator's Guide) 

Oracle Real Application Clusters (Database Concepts) 
    [definition #2] (Database Net Services Reference) 

Oracle schema (Database Net Services Reference) 
    [definition #2] (Database Net Services Administrator's Guide) 
    [definition #3] (Database Client Installation Guide) 
    [definition #4] (Database Installation Guide) 
    [definition #5] (Database Installation Guide) 
    [definition #6] (Database Installation Guide) 
    [definition #7] (Database Installation Guide) 
    [definition #8] (Database Installation Guide) 

Oracle Secure Backup (Database Backup and Recovery User's Guide) 

Oracle Services for Microsoft Transaction Server (OraMTS) (Services for Microsoft Transaction Server Developer's Guide) 

Oracle services (Database Platform Guide) 

Oracle SQL (Database Concepts) 

Oracle Streams client (Streams Concepts and Administration) 

Oracle Streams data dictionary (Streams Concepts and Administration) 

Oracle Streams pool (Streams Concepts and Administration) 

Oracle Streams topology (Streams Concepts and Administration) 

Oracle system identifier (SID) (Database Net Services Administrator's Guide) 

Oracle System Identifier (SID) (Database Net Services Reference) 

Oracle Text (XML Developer's Kit Programmer's Guide) 

Oracle Universal Installer (OUI) (Database 2 Day + Real Application Clusters Guide) 

Oracle Universal Installer (Real Application Clusters Administration and Deployment Guide) 

Oracle Virtual Private Database (VPD) (Database Concepts) 

Oracle Virtual Private Database (Database Security Guide) 

Oracle VSS writer (Database Backup and Recovery User's Guide) 
    [definition #2] (Database Platform Guide) 

Oracle Warehouse Builder Repository (Warehouse Builder Concepts) 

Oracle XA (Database Concepts) 

Oracle XML DB (Database Net Services Administrator's Guide) 
    [definition #2] (XML Developer's Kit Programmer's Guide) 
    [definition #3] (Database Net Services Reference) 
    [definition #4] (Data Provider for .NET Developer's Guide) 

Oracle XML Developer's Kit (XDK) (XML Developer's Kit Programmer's Guide) 

Oracle-suggested backup strategy (Database Backup and Recovery User's Guide) 

ORACLE_BASE (Database Platform Guide) 
    [definition #2] (Database Installation Guide) 
    [definition #3] (Database Installation Guide) 
    [definition #4] (Database Installation Guide) 
    [definition #5] (Database Installation Guide) 
    [definition #6] (Database Installation Guide) 

ORACLE_HOME (Database Installation Guide) 
    [definition #2] (Database Installation Guide) 
    [definition #3] (Database Installation Guide) 
    [definition #4] (Database Installation Guide) 
    [definition #5] (Database Installation Guide) 
    [definition #6] (Database Platform Guide) 
    [definition #7] (Database Net Services Reference) 
    [definition #8] (Database Net Services Administrator's Guide) 
    [definition #9] (XML Developer's Kit Programmer's Guide) 

OracleContextAdmins (Database Enterprise User Security Administrator's Guide) 

OracleDataReader (Data Provider for .NET Developer's Guide) 

OracleDBAdmins (Database Enterprise User Security Administrator's Guide) 

OracleDBCreators (Database Enterprise User Security Administrator's Guide) 

OracleDBSecurityAdmins (Database Enterprise User Security Administrator's Guide) 

OraclePasswordAccessibleDomains (Database Enterprise User Security Administrator's Guide) 

OracleUserSecurityAdmins (Database Enterprise User Security Administrator's Guide) 

OraMTS (Services for Microsoft Transaction Server Developer's Guide) 

ORDAudio (Multimedia User's Guide) 

ORDDicom database object (Multimedia DICOM Developer's Guide) 

ORDDicom (Multimedia DICOM Developer's Guide) 
    [definition #2] (Multimedia User's Guide) 

ORDDoc (Multimedia User's Guide) 

ORDImage (Multimedia User's Guide) 

ORDSource (Multimedia User's Guide) 

ORDVideo (Multimedia User's Guide) 

Organization for the Advancement of Structured Information (OASIS) (XML Developer's Kit Programmer's Guide) 

oriented point (Spatial Developer's Guide) 

orphaned backups (Database Backup and Recovery User's Guide) 

Orthogonal Partitioning Clustering (Data Mining Concepts) 

OSI (Database Net Services Administrator's Guide) 
    [definition #2] (Database Net Services Reference) 

out-of-line column (TimesTen In-Memory Database Operations Guide) 

outer join (Database Performance Tuning Guide) 
    [definition #2] (Database Concepts) 

outer table (Database Object-Relational Developer's Guide) 

outlier (Data Mining Concepts) 

override solve specification (OLAP User's Guide) 

OWLPrime (Database Semantic Technologies Developer's Guide)