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Today is my birthday!
I’m excited to announce the release of my personal project, ADG-Topology: a free, open-source tool to help you create
The key difference between a switchover and a failover in Data Guard is the synchronization between primary and standby to avoid data loss.
Switchover A switchover is a planned event. The primary and standby databases synchronize to allow a smooth, lossless role reversal:
The primary database stops the activity. It writes a “...Traditionally, the DGMGRL command SHOW CONFIGURATION VERBOSE not only retrieved detailed configuration information but also triggered a health check. The health check operation can be resource-intensive and time-consuming, especially when executed repeatedly across multiple database instances or as part of automated workflows.
Starting with Oracle 23.9 (and plann...
