
1) Database management system
Found on
https://www.crosswordclues.com/clue/transaction-log

In the field of databases in computer science, a transaction log (also transaction journal, database log, binary log or audit trail) is a history of actions executed by a database management system to guarantee ACID properties over crashes or hardware failures. Physically, a log is a file of updates done to the database, stored in stable storage. ...
Found on
http://en.wikipedia.org/wiki/Transaction_log
No exact match found.