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Oracle 12c Data Guard Architecture

Data Guard is basically a ship redo and then apply redo, as you know #redo is the information needed to recover a #database transaction. #Dataguard is meant for DISK OUTAGE (or) SITE OUTAGE. Data guard is a disaster Recovery solution. A production database referred to as a primary database transmits redo to one or more independent replicas referred to as #standby databases. Standby databases are in a continuous state of recovery, validating and applying redo to maintain #synchronization with the primary database. A standby database will also automatically re-synchronize if it becomes temporary disconnected to the primary due to power outages, network problems, etc. 00:00 Data Guard Architecture 07:17 Data Guard Architecture Scenarios 16:55 Different between Standby Redo log files and Redo log files 19:48 Does that mean only standby has the standby redo log file? Website: https://www.dbagenesis.com/ Facebook:   / dbagenesis   Instagram:   / dbagenesis   Twitter:   / dbagenesis  

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