Storage Internals: Pages Quiz Home › PostgreSQL DBA › Storage Internals: Pages 📦 Postgres Database Administration – Storage Internals: Pages 20 questions · 15 min timer · Explanations included · Free 1. How does PostgreSQL's MVCC model help in reducing lock contention? By maintaining a separate visibility map for each transaction. By using a timestamp-based locking mechanism. By using a global lock on the database during transactions. By allowing multiple versions of a tuple to exist simultaneously. None 1 out of 20 2. What is the effect of a low fillfactor setting on a PostgreSQL index? It increases the likelihood of page splits. It reduces the amount of free space reserved in each page. It reserves more free space in each page for future updates. It improves query performance by reducing page reads. 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
