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. Which of the following directly influences the decision-making process of the query planner regarding the use of indexes?
#2. What does increasing (maintenance_work_mem) directly impact?
#3. What is the recommended approach to optimize the performance of an unindexed column frequently used in WHERE clauses?
#4. How does increasing (checkpoint_completion_target) affect database performance?
#5. For a database with high insert rates, which parameter is crucial to tune to avoid performance bottlenecks?
#6. What does the (archive_command) parameter specify?
#7. Which parameter influences how often the (autovacuum)process runs on a table?
#8. What is a benefit of setting (log_statement) to (ddl) in terms of security?
#9. What does setting (client_min_messages) to (ERROR) do?
#10. Which of the following metrics indicates possible memory pressure in PostgreSQL?
#11. How does PostgreSQL's planner determine whether to use a sequential scan or an index scan?
#12. In PostgreSQL, which tool allows resynchronization of a failed primary server?
#13. Which parameter affects disk I/O and controls how frequently checkpoints are issued?
#14. What is the purpose of (synchronous_standby_names) in a HA setup?
#15. Which parameter determines the number of replication slots?
#16. In PostgreSQL, what does setting (archive_timeout) to a low value help with?
#17. Which command in PostgreSQL allows a point-in-time recovery (PITR)?
#18. How does setting (vacuum_freeze_min_age) to a higher value affect autovacuum?
#19. Which tool is used to manage a PostgreSQL cluster's high availability and automatic failover?
#20. To prevent brute-force attacks, which parameter can limit login attempts?
Commit
Results
-
Congratulations on passing the quiz!
Your hard work and dedication have truly paid off.
Keep up the great effort
Keep shining!
Share the quiz with your friends.
Don't be discouraged! It’s okay to stumble sometimes. Every setback is an opportunity to learn and grow..
Share the quiz with your friends.