Active Data Guard

Oracle Data Guard ensures high availability, data protection, and disaster recovery for enterprise data. Oracle Data Guard provides a comprehensive set of services that create, maintain, manage, and monitor one or more standby databases to enable production Oracle databases to survive disasters and data corruptions.

What's New in Data Guard

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Architecture

Data Guard provides the management, monitoring, and automation software to create and maintain one or more synchronized copies of a production database to protect Oracle data from failures, disasters, human error, and data corruptions while providing high availability for mission critical applications. Data Guard is included with Oracle Database Enterprise Edition.

Functionality

Active Data Guard is an option license for Oracle Database Enterprise Edition. Active Data Guard enables advanced capabilities that that extend basic Data Guard functionality. These include:

Real-Time Query - offload read-only workloads to an up-to-date standby database

Automatic Block Repair - automatic repair of physical corruption transparent to the user

Far Sync - zero data loss protection across any distance

Standby Block Change Tracking - enable incremental backups on an active standby

Active Data Guard Rolling Upgrade - make it simple to reduce planned downtime

Global Database Services - load balancing and service management across replicated databases.

Application Continuity - make outages transparent to users.

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