MVCC Internals: Snapshots Quiz Home โบ PostgreSQL DBA โบ MVCC Internals: Snapshots ๐ Postgres Database Administration – MVCC Internals: Snapshots 20 questions ยท 15 min timer ยท Explanations included ยท Free 1. In PostgreSQL, what is the purpose of the 'pg_stat_activity' view? To display the current configuration settings. To monitor the current database connections and their activity. To list all the tables and their sizes. To show the transaction logs. None 1 out of 20 2. What potential issue can arise from long-running transactions in PostgreSQL's MVCC model? Increased risk of deadlocks Delayed transaction commits Bloating of the transaction log Transaction ID wraparound 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