olemus
andmebaasihalduse süsteemi sooritatud toimingute logi, mis on vajalik ACID-omaduste tagamiseks
= a history of actions executed by a database management system

ülevaateid
https://en.wikipedia.org/wiki/Transaction_log
https://www.datanumen.com/blogs/5-main-functions-transaction-logs-sql-server/
https://codingsight.com/importance-of-transaction-log-in-sql-server/
https://www.sciencedirect.com/topics/computer-science/transaction-log

vt ka
- tehing