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On show 20, we talk about High Availability.
We start with talking about the distinction between High Availability and Disaster Recovery. Then, we talk about the importance of having a RESTORE strategy rather than a backup strategy.
After that, we talk about the various High Availability/Disaster Recovery technologies: AlwaysOn Failover Cluster Instances, Log Shipping, Database Mirroring and AlwaysOn Availability Groups. We talk about the specifics and capabilities of each technology, in which editions its supported and its pros and cons.