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There are many types of backups (e.g. replication, point-in-time replication, periodic incremental backups, periodic full backups) and not all of them project a
by stingraycharles 3y ago
There are many types of backups (e.g. replication, point-in-time replication, periodic incremental backups, periodic full backups) and not all of them project against the worst kind of issues, e.g. a software bug that accidentally deletes a whole bunch of data.
- fh973 3y agoFor Gmail, Google keeps backups of mail boxes and their transaction log. This way they can rewind the mailbox over a period of weeks. It's basically a continuous backup.