There are different Transaction Types and Change Types.
Transaction Types:
1-3: Change Journaling will record any time the user turns it on, off or want to delete the history of the journal.
4-5: Records when saving one or more objects.
6: Link Items are objects that link two or more other objects. For example, a security filter will link together a user and a metric.
7-9: Records when one or more objects or projects are deleted.
10: Records when objects are copied.
11: Duplicate users can be merged together and this transaction is recorded.
12: Records whenever Unused Managed System Objects.
13: Create a new System Property.
14. Create a Database Password
Change Types:
1-3: Records any creation, modification, or erasing any objects
4: Whenever a child folder is deleted, the parent change is modified and Change Journaling will record this.
5-7: Link items are objects that connect two or more other objects (i.e. security filters connect users with metrics).
8-10: Records any time the Change Journal is turned on, off or erased.
KB44377
