PostgreSQL Advanced Quiz
Welcome to the PostgreSQL Advanced Quiz!
We’re excited to have you here for this quiz designed specifically for PostgreSQL administrators at an advanced level.
This quiz will test your knowledge on key concepts, best practices, and advanced features of PostgreSQL.
Objectives:
- Evaluate your understanding of PostgreSQL concepts.
- Explore new features and best practices.
Quiz Format:
- 20 multiple-choice questions.
- Duration: 8 minutes.
Prepare to test your knowledge and deepen your understanding of PostgreSQL!
Good luck to everyone!
START THE QUIZ
#1. What is the impact of increasing (effective_io_concurrency) on SSDs?
#2. Which backup strategy ensures minimal downtime?
#3. In PostgreSQL, what can be used to minimize contention on hot rows in a high-concurrency environment?
#4. Which command allows promotion of a standby to primary?
#5. Which of the following best describes the role of (pg_prewarm)?
#6. Which PostgreSQL parameter specifies whether SSL connections are enforced?
#7. Which parameter should be tuned to improve the performance of large sorts when using an ORDER BY clause?
#8. Which command allows you to manually trigger a checkpoint?
#9. Which parameter impacts query planning by adjusting the perceived cost of sequential scans?
#10. Which HA setup is ideal for zero data loss but higher latency?
#11. Which role attribute grants a user the ability to manage other roles?
#12. Which parameter, when increased, allows for faster recovery during failover?
#13. To isolate database users and control permissions more tightly, what is the recommended method?
#14. What does setting (client_min_messages) to (ERROR) do?
#15. What does (pg_stat_activity) provide in terms of monitoring?
#16. What is the purpose of (pg_rewind) in a high availability setup?
#17. In PostgreSQL, what does setting (archive_timeout) to a low value help with?
#18. Which authentication method is considered the most secure in PostgreSQL?
#19. What is the purpose of (synchronous_standby_names) in a HA setup?
#20. For maintaining database performance, what is the impact of setting (vacuum_cost_limit) too low?
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