December 2017
Intermediate to advanced
434 pages
10h 14m
English
Content preview from SQL Server 2017 Administrator's Guide
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Snapshot backups
In Chapter 3, Backup and Recovery, a process of point-in-time recovery of the database is described. It contains restore in sequence from full backup, then from differential backup (if it exists), and from all transaction log backup in sequence. This process is most probably time-consuming and it affects the recovery time objective (RTO) negatively.
When we want to ensure the best possible RTO, we can use so called backups with file snapshots. This type of backup is possible for databases having its files placed in Azure blob storage. Backups, when executed, then create pointers to snapshots of files only. It's very fast and efficient. Backups must also be placed in the Azure blob storage. In other words, from a DBAs perspective ...
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