It defines the type of audited event. There are three possible choices:
- INSERT defines a line creation. In this case, the field previous valueis empty, and the new value fields contains the value of the field at the time of the creation.
- DELETE defines a line deletion. In this case, the field new valueis empty, and the previous value fields contains the value of the field before the deletion.
- UPDATE defines a line modification. In this case, the previous valuecontains the value before modification, and the new value field contains the value of the field after modification.