olemus
andmete viimine uuemasse seisu,
näiteks andmebaasi taastamisel
varukoopia ja tehingulogide abil
= bringing data to a newer state, for example when restoring a database using a backup copy and transaction logs

ülevaateid
https://softwareengineering.stackexchange.com/questions/362760/databases-difference-between-roll-back-and-roll-forward-with-example

vt ka
- tagasipööre