Data Guard
E97100
Data Guard is Oracle's high-availability and disaster recovery solution that maintains synchronized standby databases to protect against data loss and downtime.
Aliases (1)
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
disaster recovery solution
→
high-availability solution → |
| configurationElement |
log apply services
→
primary database → redo transport services → standby database → |
| Data Guard Broker |
management and monitoring framework
→
|
| deploymentModel |
cloud
→
on-premises → |
| developedBy |
Oracle Corporation
→
|
| documentationTitle |
Oracle Data Guard Concepts and Administration
→
|
| ensures |
transactional consistency on standby
→
|
| goal |
minimize recovery point objective
→
minimize recovery time objective → |
| hasComponent |
Data Guard Broker
→
|
| integratedWith |
Oracle Enterprise Manager
→
Oracle Real Application Clusters → |
| maintains |
synchronized standby databases
→
|
| primaryPurpose |
protect against data loss
→
protect against downtime → |
| provides |
standby database management
→
|
| supports |
logical standby database
→
offloading backups to standby → physical standby database → read-only workload on standby → snapshot standby database → |
| supportsFeature |
asynchronous redo transport
→
automatic gap resolution → failover → fast-start failover → maximum availability mode → maximum performance mode → maximum protection mode → role transitions → switchover → synchronous redo transport → |
| supportsProduct |
Oracle Database
→
|
| supportsTopology |
cascaded standby
→
single primary multiple standby → |
| supportsVersion |
Oracle Database 11g
→
Oracle Database 12c → Oracle Database 18c → Oracle Database 19c → Oracle Database 21c → |
| usedFor |
disaster recovery site automation
→
planned maintenance with minimal downtime → unplanned outage recovery → |
| uses |
SQL apply
→
redo apply → |
Referenced by (1)
| Subject (surface form when different) | Predicate |
|---|---|
|
Oracle Database
→
|
supportsFeature |