Exam 312-49v10 topic 1 question 704 discussion

There's a digital forensics investigator delving into a case right now. The situation involves an SQL Server database that's been tampered with by an intruder. Some data from the database has vanished, and the real kicker is that there aren't any backup files to be found. The investigator's task is to recover as much data as possible. The investigator needs to understand which SQL Server data file will most likely assist in the data recovery. What should be the investigator's primary focus?