Exam-style question
Try this first
Which method controls concurrent access by preventing another client from editing a record while it is locked?.
- A.Record locks
- B.Timestamp ordering
- C.Commitment ordering
- D.Client replication
Model answer
What a good answer should say
- Record locks
Explanation
Why this works
Record locks control concurrent access by placing a lock on a record while it is being edited, preventing conflicting access during that period.
Common mistake
No common mistake is linked to this question yet.