Vacuuming & Autovacuum: Managing Bloat and Wraparound Quiz Home › PostgreSQL DBA › Vacuuming & Autovacuum: Managing Bloat and Wraparound 🧹 Postgres Database Administration – Vacuuming & Autovacuum: Managing Bloat and Wraparound 20 questions · 15 min timer · Explanations included · Free 1. What is the primary purpose of the VACUUM command in PostgreSQL? To optimize query performance by rebuilding indexes. To backup the database to prevent data loss. To reset transaction IDs to prevent wraparound. To remove dead tuples and reclaim storage space. None 1 out of 20 2. Which of the following is a recommended practice to prevent transaction ID wraparound? Disable autovacuum to reduce overhead. Regularly run VACUUM FREEZE on all tables. Increase 'autovacuum_freeze_max_age' to a very high value. Set 'autovacuum_naptime' to a low value. None 2 out of 20 Loading questions... 3 out of 20 Loading questions... 4 out of 20 Loading questions... 5 out of 20 Loading questions... 6 out of 20 Loading questions... 7 out of 20 Loading questions... 8 out of 20 Loading questions... 9 out of 20 Loading questions... 10 out of 20 Loading questions... 11 out of 20 Loading questions... 12 out of 20 Loading questions... 13 out of 20 Loading questions... 14 out of 20 Loading questions... 15 out of 20 Loading questions... 16 out of 20 Loading questions... 17 out of 20 Loading questions... 18 out of 20 Loading questions... 19 out of 20 Loading questions... 20 out of 20 Click Submit to see your final score! Previous Start Quiz Next Time's up