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. What is the primary function of the 'pg_class' system catalog in PostgreSQL? To store metadata about database users and roles. To manage the allocation of disk space for new tables. To store metadata about tables, indexes, and other database objects. To track the visibility of tuples for transaction isolation. None 1 out of 20 2. How does PostgreSQL handle tuple deletion to ensure data consistency? By locking the entire table during the deletion. By marking the tuple as dead and reclaiming space during vacuuming. By deleting the tuple in place and logging the change. By using a timestamp-based locking mechanism. 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 upTime is Up!
