[Dec-2025] EnterpriseDB PostgreSQL-Essentials Exam Basic Questions With Answers [Q16-Q39]
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December 14, 2025
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[Dec-2025] EnterpriseDB PostgreSQL-Essentials Exam: Basic Questions With Answers

New 2025 Realistic Free EnterpriseDB PostgreSQL-Essentials Exam Dump Questions and Answer

EnterpriseDB PostgreSQL-Essentials Exam Syllabus Topics:

Topic Details
Topic 1
  • Database Security: This section of the exam measures the skills of Security Analysts and focuses on access control, encryption, and user authentication techniques. It evaluates the candidate’s ability to protect sensitive data and maintain compliance with security standards.
Topic 2
  • Creating and Managing Databases: This section of the exam measures the skills of Database Developers and focuses on creating, configuring, and maintaining databases. It assesses understanding of database lifecycle management, including setup, schema creation, and performance adjustments.
Topic 3
  • Disaster Recovery: This section of the exam measures the skills of IT Infrastructure Managers and emphasizes planning and executing disaster recovery procedures. It ensures candidates can design recovery plans to restore operations quickly and minimize data loss after catastrophic events.
Topic 4
  • Fundamental SQL: This section of the exam measures the skills of Database Developers and covers foundational SQL concepts, including queries, joins, and data manipulation. It ensures that candidates can efficiently retrieve, update, and manage data within relational databases.
Topic 5
  • Database Clusters: This section of the exam measures the skills of System Engineers and covers the principles of clustering for performance and fault tolerance. It evaluates candidates’ ability to manage clustered environments, ensure high availability, and maintain data consistency across nodes.
Topic 6
  • Configuration Parameters: This section of the exam measures the skills of Database Administrators and includes knowledge of key configuration parameters that impact performance, storage, and reliability. Candidates are tested on setting and tuning configurations to optimize database stability and responsiveness.
Topic 7
  • Backup and Recovery Tools Overview: This section of the exam measures the skills of System Engineers and covers the use of various backup and recovery tools, including their functionality, compatibility, and configuration. It focuses on selecting appropriate tools based on database type, size, and organizational recovery objectives.
Topic 8
  • Database Maintenance: This section of the exam measures the skills of Database Administrators and covers maintenance operations such as updates, indexing, and performance optimization. The focus is on ensuring long-term database efficiency, integrity, and minimal downtime.
Topic 9
  • Backup And Recovery Strategies: This section of the exam measures the skills of Database Administrators and focuses on developing an understanding of essential backup and recovery methods. It evaluates the ability to design, implement, and manage strategies that ensure data protection and system continuity in case of unexpected failures or data loss scenarios.

 

Q16. Which system view provides real-time information about currently active sessions and running queries?

 
 
 
 

Q17. Which psql meta-command displays the structure of a specific table including columns, types, and constraints?

 
 
 
 

Q18. Which parameter specifies the number of connections reserved for superusers in PostgreSQL?

 
 
 
 

Q19. In PostgreSQL, what is the default size of a WAL segment file?

 
 
 
 

Q20. You want to view all available functions in the current database using psql. Which command should you use?

 
 
 
 

Q21. You want to reload the PostgreSQL configuration without restarting the server. Which function should you execute?

 
 
 
 

Q22. What is the purpose of shared_buffers configuration parameter in PostgreSQL?

 
 
 
 

Q23. Which configuration file controls client authentication in PostgreSQL?

 
 
 
 

Q24. You are connected to a database in PostgreSQL using the psql tool. Which of the following commands can be used to view the cluster data directory?

 
 
 
 

Q25. Which configuration parameter controls the amount of memory allocated for shared buffers?

 
 
 
 

Q26. In PostgreSQL, which view provides information about currently running queries?

 
 
 
 

Q27. In PostgreSQL 13, which parameter must be set to enable WAL archiving for Point-in-Time Recovery?

 
 
 
 

Q28. In PostgreSQL, archiving can be enabled for hot backups. During recovery, all the archive logs can be played on the restored backup and Point-in-Time Recovery can be performed. Which of the following parameters directly influences Mean Time to Recovery and is also used to control the size of the WAL area?

 
 
 
 

Q29. You need to configure your server to accept TCP/IP connections from specific IP addresses. Which file should you modify?

 
 
 
 

Q30. Which parameter must be set to enable WAL archiving for Point-in-Time Recovery in PostgreSQL 13?

 
 
 
 

Q31. Which parameter sets the number of autovacuum worker processes?

 
 
 
 

Q32. Which pg_dump option creates a backup that can be restored using pg_restore?

 
 
 
 

Q33. You are writing an initialization script to help your team in creating a new database cluster. You want to ensure that a new database cluster is initialized with md5 as the default authentication method. Which of the following options of the initdb command can be used to specify the default authentication method?

 
 
 
 

Q34. You need to take a backup of only the edbuser schema from the edbstore database. Which pg_dump option should you use?

 
 
 
 

Q35. What is the purpose of the checkpoint_timeout configuration parameter in PostgreSQL?

 
 
 
 

Q36. Autocommit occurs in which of the following situations?

 
 
 
 

Q37. Which psql command toggles the display of tuples only (without column headers)?

 
 
 
 

Q38. Which psql meta-command is used to list all databases in the cluster?

 
 
 
 

Q39. Which PostgreSQL backup utility can create backups in custom compressed format?

 
 
 
 

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