Oracle Real Application Clusters (RAC)

E97103

Oracle Database option database clustering technology fault tolerance solution high availability solution scalability solution

Oracle Real Application Clusters (RAC) is an Oracle Database option that enables multiple servers to run a single database simultaneously for high availability, scalability, and fault tolerance.

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All labels observed (9)

Label	Occurrences
Oracle Real Application Clusters	21
Oracle RAC	6
Oracle Database Real Application Clusters Administration and Deployment Guide	2
Oracle Parallel Server	2
Oracle Real Application Clusters (RAC) canonical	2
Oracle Clusterware	1
Oracle RAC clustered database environment	1
Oracle RAC environments	1
Oracle parallel database systems	1

How this entity was disambiguated

This entity first appeared as the object of triple T816867 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Oracle Real Application Clusters (RAC)
Context triple: [Oracle Database, notableComponent, Oracle Real Application Clusters (RAC)]

A. Oracle Database
Oracle Database is a widely used enterprise relational database management system known for its scalability, reliability, and robust support for complex data workloads.
B. Oracle Fusion Middleware
Oracle Fusion Middleware is a comprehensive suite of software products that provides a platform for developing, deploying, and managing enterprise applications, integration, and business services.
C. Oracle E-Business Suite
Oracle E-Business Suite is an integrated suite of enterprise resource planning (ERP), customer relationship management (CRM), and supply chain management (SCM) applications designed to support and automate core business processes.
D. RDS
RDS is a Canadian French-language sports television network that broadcasts a wide range of professional and amateur sporting events.
E. IBM DB2
IBM DB2 is a family of enterprise-grade relational database management systems developed by IBM, widely used for high-performance, scalable data storage and transaction processing across mainframe, distributed, and cloud environments.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Oracle Real Application Clusters (RAC)
Target entity description: Oracle Real Application Clusters (RAC) is an Oracle Database option that enables multiple servers to run a single database simultaneously for high availability, scalability, and fault tolerance.

A. Oracle Database
Oracle Database is a widely used enterprise relational database management system known for its scalability, reliability, and robust support for complex data workloads.
B. Oracle Fusion Middleware
Oracle Fusion Middleware is a comprehensive suite of software products that provides a platform for developing, deploying, and managing enterprise applications, integration, and business services.
C. Oracle E-Business Suite
Oracle E-Business Suite is an integrated suite of enterprise resource planning (ERP), customer relationship management (CRM), and supply chain management (SCM) applications designed to support and automate core business processes.
D. RDS
RDS is a Canadian French-language sports television network that broadcasts a wide range of professional and amateur sporting events.
E. IBM DB2
IBM DB2 is a family of enterprise-grade relational database management systems developed by IBM, widely used for high-performance, scalable data storage and transaction processing across mainframe, distributed, and cloud environments.
F. None of above. chosen

Statements (51)

Predicate	Object
instanceOf	Oracle Database option ⓘ database clustering technology ⓘ fault tolerance solution ⓘ high availability solution ⓘ scalability solution ⓘ
designedFor	24x7 availability environments ⓘ mission-critical applications ⓘ
developedBy	Oracle Corporation ⓘ
enables	multiple instances of Oracle Database to access a single database ⓘ
hasAbbreviation	RAC ⓘ
hasComponent	Global Cache Service ⓘ Global Enqueue Service ⓘ
hasFeature	Fast Application Notification ⓘ Fast Connection Failover ⓘ admin-managed databases ⓘ cache fusion ⓘ instance affinity ⓘ policy-managed databases ⓘ server pool management ⓘ service-based workload management ⓘ transparent application failover ⓘ
improves	database availability ⓘ database scalability ⓘ
integratesWith	Oracle Automatic Storage Management ⓘ Oracle Clusterware ⓘ linked to: Oracle Grid Infrastructure
licensedAs	separate option to Oracle Database Enterprise Edition ⓘ
marketedAs	Oracle RAC ⓘ linked to: Oracle Real Application Clusters (RAC)
provides	fault tolerance ⓘ high availability ⓘ load balancing ⓘ scalability ⓘ
reduces	planned downtime ⓘ unplanned downtime ⓘ
requires	Oracle Clusterware ⓘ linked to: Oracle Grid Infrastructure
runs	single Oracle database across multiple servers ⓘ
supports	Linux operating systems ⓘ Oracle ASM ⓘ linked to: Oracle Automatic Storage Management Oracle Data Guard ⓘ Oracle Database 19c ⓘ linked to: Oracle Database Oracle Database 21c ⓘ linked to: Oracle Database Oracle Enterprise Manager integration ⓘ Oracle Multitenant ⓘ UNIX operating systems ⓘ Windows operating systems ⓘ clustered database architecture ⓘ online node addition ⓘ online node removal ⓘ rolling patching ⓘ rolling upgrades ⓘ
uses	cluster interconnect ⓘ shared storage ⓘ

How these facts were elicited