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. Data guard 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.
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#OracleDataGuard #DataGuardArchitecture
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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?
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