You can optionally create unmirrored data aggregates for data that does not require the redundant mirroring provided by MetroCluster configurations.

The RAID controller handles the combining of drives into these different configurations to maximize performance, capacity, redundancy (safety) and cost to suit the user needs.

Thin replication refers to the copying of changed blocks to a secondary site during backup and disaster recovery. Snapshot copies can be backed up and replicated to a secondary site using SnapVault and volume SnapMirror. Thin replication increase storage efficiency by transferring only changed data blocks after the baseline copy is created.

Application for testing and sharing SQL queries.

How to create sql query to select the distinct table A data
as in the image

Thanks