May 2018
Intermediate to advanced
576 pages
30h 25m
English
The article at http://en.wikipedia.org/wiki/Backup_rotation_scheme gives further useful information.
When thinking about incremental backups, you should note that replication techniques work by continually applying changes to a full backup. This could be considered a technique for an incremental updated backup, also known as an incremental forever backup strategy. The changes are applied ahead of time so that you can restore easily and quickly. You should still take a backup, but you can take it from the replication standby instead.
It's possible to write a utility that takes a differential backup of data blocks. You can read each data block and check the block's Log Sequence Number (LSN) to see whether it has changed in comparison ...