Reliable PostgreSQL Essentials Exam Dumps (V8.02): Your Partner for EnterpriseDB PostgreSQL Essentials Certification v13 Exam Success

1. In PostgreSQL, what is the default size of a WAL segment file?

2. Which configuration file controls client authentication in PostgreSQL?

3. You want to check the current value of the max_connections parameter.

Which SQL command should you use?

4. In PostgreSQL, which view provides information about currently running queries?

5. Which psql command displays the command history?

6. Which psql meta-command lists all schemas in the current database?

7. Which pg_restore option allows you to drop database objects before recreating them?

8. Which parameter controls the amount of memory allocated for maintenance operations like VACUUM and CREATE INDEX?

9. Which psql meta-command displays the structure of a specific table including columns, types, and constraints?

10. Which PostgreSQL configuration parameter controls the amount of memory used for sorting operations before writing to temporary disk files?

11. You need to restore only the schema from a custom format backup file.

Which pg_restore option should you use?

12. You want to view all available functions in the current database using psql.

Which command should you use?

13. In PostgreSQL 13, which command is used to switch your connection to a different database in psql?

14. Which command can be used to display all roles and their attributes in PostgreSQL using psql?

15. Which pg_dump option allows you to dump only the data without schema definitions?

16. Which PostgreSQL backup utility can create backups in custom compressed format?

17. Which of the following commands in psql will execute SQL commands from a file?

18. 1.You are connected to a PostgreSQL database. After executing a complex query an error message is displayed. You want to edit and rerun the previously executed query.

Which command can be used to edit the query buffer?

19. What is the purpose of shared_buffers configuration parameter in PostgreSQL?

20. In PostgreSQL 13, what is the difference between GENERATED ALWAYS AS IDENTITY and GENERATED BY DEFAULT AS IDENTITY?

21. You want to list all available databases in your PostgreSQL cluster using psql.

Which command should you use?

22. Which command in psql toggles between aligned and unaligned output mode?

23. In PostgreSQL, what does VACUUM do?

24. In PostgreSQL, which system catalog stores information about databases?

25. What is the purpose of the checkpoint_timeout configuration parameter in PostgreSQL?

26. SERIAL and IDENTITY columns can be used to add an auto-incrementing column in a Postgres table.

Which of these two column types are SQL standard compliant?

27. You need to reload the PostgreSQL configuration without restarting the server.

Which function should you use?

28. In PostgreSQL 13, which parameter must be set to enable WAL archiving for Point-in-Time Recovery?

29. You are working as a Postgres DBA. Due to an increase in transactional load on your Postgres instance, the server is experiencing frequent checkpoints. You have decided to increase the WAL area size. You have also decided to upgrade your database instance to PostgreSQL 13. While initializing your database cluster in PostgreSQL 13, you have decided to increase the WAL segment size.

Which of the following options can be used with the initdb command to set a custom WAL segment size?

30. You want to create a backup of all databases in a PostgreSQL cluster.

Which utility should you use?