December 2017
Intermediate to advanced
434 pages
10h 14m
English
Content preview from SQL Server 2017 Administrator's Guide
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Backup summary
Managing our backups properly is very important task that we must perform. As was described in this chapter, we need to decide which type of backups, how often, how reliable, and where to store them. This decision has a strong impact on the ability of restoring the data in minimal time with minimal loss. The following table describes several types of databases and example backup strategies:
| Data contention | Recovery model | Backups used |
| Smaller (for example, up to 20 GB) OLTP database | FULL |
FULL TRANSACTION LOG (optionally DIFFERENTIAL) |
| Big OLTP database with read-only archive filegroups | FULL |
FULL or FILEGROUP (partial backup if possible) TRANSACTION LOG |
| OLAP database with periodical data load (data load can be repeated) ... |
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