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Find the term you want in the alphabetical list, and click on the link to see its definition. The definition is displayed in its own small window, which you can close after reading the definition. When a term is defined in more than one book, each definition is listed.
Symbols | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O![]() |
P | Q | R | S | T | U | V | W | X | Z |
O- | OA | OB | OC | OD | OF | OL | ON | OP | OR | OS | OU | OV | OW |
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 Security Guide)
obfuscator (Database Security Guide)
[definition #2] (Database Enterprise User Security Administrator's Guide)
object class (Database Net Services Reference)
[definition #2] (Database Net Services Administrator's Guide)
[definition #3] (Database Enterprise User Security Administrator's Guide)
[definition #4] (Database Security 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 Real Application Security Administrator's and Developer's Guide)
[definition #2] (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 link (Database Concepts)
object table (Database Object-Relational Developer's Guide)
[definition #2] (Database Concepts)
object type (Database Advanced Queuing User's Guide)
[definition #2] (Database Concepts)
[definition #3] (Database Object-Relational Developer's Guide)
object view (Database Concepts)
object-relational database management system (ORDBMS) (Database Concepts)
observer (Data Guard Broker)
obsolete backup (Database Backup and Recovery User's Guide)
OCI (Database Net Services Reference)
[definition #2] (Database Net Services Administrator's Guide)
[definition #3] (Database Advanced Queuing User's Guide)
[definition #4] (Database Platform Guide)
OCR writer (Clusterware Administration and Deployment Guide)
OCSSD (Database 2 Day + Real Application Clusters Guide)
[definition #2] (Real Application Clusters Administration and Deployment 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)
OFA (Database Platform Guide)
offline normal (Database Backup and Recovery User's Guide)
offset (Spatial and Graph Developer's Guide)
offsite backup (Database Backup and Recovery User's Guide)
OLAP DML (OLAP User's Guide)
OLAP expression syntax (OLAP User's Guide)
OLAP page pool (Database Concepts)
OLAP (OLAP User's Guide)
[definition #2] (Database Concepts)
oldest SCN (Streams Concepts and Administration)
OLTP (Database Advanced Queuing User's Guide)
[definition #2] (Database Data Warehousing Guide)
[definition #3] (OLAP User's Guide)
[definition #4] (Database Concepts)
on the fly (OLAP User's Guide)
on-demand SQL tuning (Database SQL Tuning Guide)
one-class Support Vector Machines (Data Mining Concepts)
online backup (Database Backup and Recovery User's Guide)
online redo log group (Database Backup and Recovery User's Guide)
[definition #2] (Database Concepts)
online redo log member (Database Backup and Recovery User's Guide)
online redo log (Database Backup and Recovery User's Guide)
[definition #2] (Database Concepts)
online transaction processing (OLTP) (Database Data Warehousing Guide)
Online Transaction Processing (Database Advanced Queuing User's Guide)
ontology (Spatial and Graph RDF Semantic Graph Developer's Guide)
Open Database Connectivity (ODBC) (TimesTen In-Memory Database Operations Guide)
Open Systems Interconnection (OSI) (Database Net Services Reference)
[definition #2] (Database Net Services Administrator's Guide)
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)
operating system block (Database Concepts)
operator (Database 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)
optimal flexible architecture (OFA) (Database 2 Day + Real Application Clusters Guide)
Optimal Flexible Architecture (Database Platform Guide)
optimization (Database SQL Tuning Guide)
optimizer cost model (Database SQL Tuning Guide)
optimizer environment (Database SQL Tuning Guide)
optimizer goal (Database SQL Tuning Guide)
optimizer statistics collection (Database SQL Tuning Guide)
optimizer statistics collector (Database SQL Tuning Guide)
optimizer statistics preferences (Database SQL Tuning Guide)
optimizer statistics (Database Concepts)
[definition #2] (Database SQL Tuning Guide)
optimizer (Database Concepts)
[definition #2] (Database SQL Tuning Guide)
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 Express (Database Concepts)
Oracle architecture (Database Concepts)
Oracle ASM allocation unit (Database Concepts)
Oracle ASM disk group (Database Concepts)
Oracle ASM disk (Database Concepts)
Oracle ASM extent (Database Concepts)
Oracle ASM file (Database Concepts)
Oracle ASM instance (Database Concepts)
Oracle ASM (Database Concepts)
Oracle Automatic Storage Management (Oracle ASM) (Clusterware Administration and Deployment Guide)
[definition #2] (Database Concepts)
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] (Database Net Services Reference)
[definition #3] (Services for Microsoft Transaction Server Developer's Guide)
[definition #4] (Database Provider for DRDA User's Guide)
Oracle Call Interface (Database 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] (Real Application Clusters Administration and Deployment Guide)
[definition #3] (Clusterware Administration and Deployment Guide)
Oracle Clusterware stack (Clusterware Administration and Deployment Guide)
Oracle Clusterware (Clusterware Administration and Deployment Guide)
[definition #2] (Database Concepts)
[definition #3] (Real Application Clusters Administration and Deployment Guide)
[definition #4] (Database 2 Day + Real Application Clusters Guide)
Oracle Connection Manager Control utility (Database Net Services Reference)
[definition #2] (Database Net Services Administrator's Guide)
Oracle Connection Manager (Database Net Services Reference)
[definition #2] (Database Net Services Administrator's Guide)
[definition #3] (Database Concepts)
Oracle Context (Database Net Services Reference)
[definition #2] (Database Net Services Administrator's Guide)
[definition #3] (Database Client Installation Guide)
[definition #4] (Database Enterprise User Security Administrator's Guide)
[definition #5] (Database Security Guide)
Oracle Data Provider for .NET (ODP.NET) (Services for Microsoft Transaction Server Developer's Guide)
Oracle Data Redaction (Database Concepts)
Oracle Database Gateways (Database Migration Guide)
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 database (Database Concepts)
Oracle Developer Tools for Visual Studio .NET (Database Concepts)
Oracle Enterprise Manager Cloud Control (Database Net Services Administrator's Guide)
[definition #2] (Database Backup and Recovery User's Guide)
[definition #3] (Database Net Services Reference)
Oracle Enterprise Manager (Database Concepts)
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)
[definition #2] (Database Concepts)
Oracle Flex Cluster (Clusterware Administration and Deployment Guide)
Oracle Flex Clusters (Database Concepts)
Oracle Globalization Development Kit (GDK) (Database Concepts)
Oracle GoldenGate (Database Migration 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)
[definition #2] (Clusterware 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 User Control (Database Platform 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 Concepts)
[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 Net Services Reference)
[definition #3] (Database Platform Guide)
Oracle Inventory directory (Database 2 Day + Real Application Clusters Guide)
Oracle Java Message Service (Database Advanced Queuing User's Guide)
Oracle JDeveloper (Database Concepts)
[definition #2] (XML Developer's Kit Programmer's Guide)
Oracle JMS (Database Advanced Queuing User's Guide)
Oracle JVM (Database Concepts)
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)
[definition #2] (Database Concepts)
Oracle MTS Recovery Service (Services for Microsoft Transaction Server Developer's Guide)
Oracle Multimedia (Database Concepts)
Oracle Multitenant (Database Concepts)
Oracle Net Configuration Assistant (Database Net Services Reference)
[definition #2] (Database Net Services Administrator's Guide)
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 Reference)
[definition #8] (Database Net Services Administrator's Guide)
Oracle Net Listener (Database Net Services Reference)
[definition #2] (Database Net Services Administrator's Guide)
[definition #3] (Database Concepts)
Oracle Net Manager (Database Net Services Reference)
[definition #2] (Database Net Services Administrator's Guide)
Oracle Net Services (Database Net Services Administrator's Guide)
[definition #2] (Database Concepts)
[definition #3] (Database Enterprise User Security Administrator's Guide)
[definition #4] (Database Platform Guide)
[definition #5] (Data Provider for .NET Developer's Guide)
[definition #6] (Database Extensions for .NET Developer's Guide)
[definition #7] (Provider for OLE DB Developer's Guide)
[definition #8] (Database Security Guide)
[definition #9] (Database Net Services Reference)
Oracle Net (Database Net Services Administrator's Guide)
[definition #2] (Database Net Services Reference)
[definition #3] (Database Concepts)
[definition #4] (Database Platform Guide)
Oracle Notification Service (ONS) (Database Global Data Services Concepts and Administration Guide)
Oracle Notification Service (Real Application Clusters Administration and Deployment Guide)
Oracle Notification Services (ONS) (Database 2 Day + Real Application Clusters 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 Security Guide)
Oracle PKI (Database Platform Guide)
Oracle process (Database Concepts)
Oracle Program Interface (OPI) (Database Net Services Reference)
[definition #2] (Database Net Services Administrator's Guide)
Oracle protocol support (Database Net Services Reference)
[definition #2] (Database Net Services Administrator's Guide)
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 Administrator's Guide)
[definition #2] (Database Net Services Reference)
Oracle Real Application Clusters (Oracle RAC) (Database Net Services Administrator's Guide)
[definition #2] (Database Net Services Reference)
Oracle Real Application Clusters (Database Concepts)
Oracle schema (Database Net Services Reference)
[definition #2] (Database Installation Guide)
[definition #3] (Database Installation Guide)
[definition #4] (Database Net Services Administrator's Guide)
[definition #5] (Database Client 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 Spatial and Graph (Database Concepts)
Oracle SQL Developer Migration Wizard (Database Migration Guide)
Oracle SQL (Database Concepts)
Oracle SQL*Loader (Database Migration Guide)
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)
[definition #2] (Database Net Services Reference)
Oracle Text (Text) (Database Concepts)
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 WebLogic Server (XML Developer's Kit Programmer's Guide)
Oracle XA (Real Application Clusters Administration and Deployment Guide)
[definition #2] (Database Concepts)
Oracle XML DB (Database Net Services Administrator's Guide)
[definition #2] (XML Developer's Kit Programmer's Guide)
[definition #3] (Database Concepts)
[definition #4] (Data Provider for .NET Developer's Guide)
[definition #5] (Database Net Services Reference)
Oracle XML Developer's Kit (XDK) (XML Developer's Kit Programmer's Guide)
[definition #2] (Database Concepts)
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 Administrator's Guide)
[definition #8] (XML Developer's Kit Programmer's Guide)
[definition #9] (Database Net Services Reference)
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 User's Guide)
[definition #2] (Multimedia DICOM Developer'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 Standards (OASIS) (XML Developer's Kit Programmer's Guide)
oriented point (Spatial and Graph 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 Concepts)
[definition #2] (Database SQL Tuning Guide)
outer table (Database Object-Relational Developer's Guide)
[definition #2] (Database SQL Tuning Guide)
outlier (Data Mining Concepts)
override solve specification (OLAP User's Guide)
OWLPrime (Spatial and Graph RDF Semantic Graph Developer's Guide)