2026 Realistic Verified PostgreSQL-Essentials exam dumps Q&As - PostgreSQL-Essentials Free Update [Q34-Q52]

2026 Realistic Verified PostgreSQL-Essentials exam dumps Q&As - PostgreSQL-Essentials Free Update

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EnterpriseDB PostgreSQL-Essentials Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	Database Objects and Hierarchy: This section of the exam measures the skills of Database Developers and includes understanding tables, views, indexes, and their relationships within a database structure. It assesses the ability to manage and organize objects in a logical hierarchy for efficient data access.
Topic 3	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 4	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 5	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 6	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 7	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.
Topic 8	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 9	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.

 

NEW QUESTION # 34
Which command displays the current search path in PostgreSQL?

• A. \path
• B. SHOW search_path;
• C. SELECT search_path;
• D. GET search_path;

Answer: B

NEW QUESTION # 35
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?

• A. SELECT server_dir FROM pg_settings;
• B. SELECT data_dir FROM pg_settings;
• C. SHOW DIRECTORY;
• D. SHOW DATA_DIRECTORY;

Answer: D

NEW QUESTION # 36
Which psql meta-command displays the structure of a specific table including columns, types, and constraints?

• A. SHOW TABLE tablename;
• B. \dt tablename
• C. DESCRIBE tablename;
• D. \d tablename

Answer: D

NEW QUESTION # 37
You need to configure your server to accept TCP/IP connections from specific IP addresses. Which file should you modify?

• A. recovery.conf
• B. pg_ident.conf
• C. pg_hba.conf
• D. postgresql.conf

Answer: C

NEW QUESTION # 38
Which psql meta-command is used to describe a table including its structure, columns, and constraints?

• A. \dt tablename
• B. \d tablename
• C. \describe tablename
• D. \show tablename

Answer: B

NEW QUESTION # 39
In PostgreSQL, which command is used to analyze database statistics for the query planner?

• A. ANALYZE
• B. REINDEX
• C. VACUUM
• D. CLUSTER

Answer: A

NEW QUESTION # 40
In PostgreSQL, which view provides information about currently running queries?

• A. pg_running_queries
• B. pg_active_sessions
• C. pg_stat_activity
• D. pg_current_queries

Answer: C

NEW QUESTION # 41
You want to view all available functions in the current database using psql. Which command should you use?

• A. \df
• B. \functions
• C. \fn
• D. \f

Answer: A

NEW QUESTION # 42
You want to update statistics for the emp and dept tables to help the query planner. Which command should you use?

• A. UPDATE STATISTICS emp, dept;
• B. ANALYZE emp; ANALYZE dept;
• C. VACUUM emp, dept;
• D. REINDEX emp, dept;

Answer: B

NEW QUESTION # 43
In PostgreSQL, what is the default size of a WAL segment file?

• A. 32 MB
• B. 64 MB
• C. 16 MB
• D. 8 MB

Answer: C

NEW QUESTION # 44
You want to take a data-only dump of the edbstore database, disable all triggers for faster restore, and use the INSERT command instead of COPY. Which pg_dump command options should you use?

• A. --data-only --inserts
• B. -a --copy --disable-triggers
• C. -a --inserts --disable-triggers
• D. -d --inserts --disable-triggers

Answer: C

NEW QUESTION # 45
In PostgreSQL 13, what is the difference between GENERATED ALWAYS AS IDENTITY and GENERATED BY DEFAULT AS IDENTITY?

• A. They are identical
• B. BY DEFAULT prevents manual insertion
• C. ALWAYS uses UUID, BY DEFAULT uses serial
• D. ALWAYS prevents manual value insertion, BY DEFAULT allows it

Answer: D

NEW QUESTION # 46
You need to take a backup of only the edbuser schema from the edbstore database. Which pg_dump option should you use?

• A. Both B and C
• B. -s edbuser
• C. -n edbuser
• D. --schema edbuser

Answer: A

NEW QUESTION # 47
Which of the following options can be used to view a Query Plan in pgAdmin4?

• A. Open Query Tool, Copy/Paste the query and press F7
• B. Open Query Tool, Copy/Paste the query and Click Debug Plan button
• C. Right Click on the database and Click Explain button
• D. Right Click on the database and Click View Query Plan

Answer: A

NEW QUESTION # 48
Which command can be used to display all roles and their attributes in PostgreSQL using psql?

• A. LIST ROLES;
• B. \du
• C. \dr
• D. SHOW ROLES;

Answer: B

NEW QUESTION # 49
You are working as a Postgres DBA. You want to configure logging for slow running queries on your database cluster. Which setting needs to be modified to log all the queries which take more than 5 seconds?

• A. log_destination
• B. log_statement
• C. log_duration
• D. log_min_duration_statement

Answer: D

NEW QUESTION # 50
You want to export the emp table to a CSV file with column headers using the COPY command. Which command should you use?

• A. COPY emp TO '/path/emp.csv' WITH CSV HEADER;
• B. EXPORT emp TO '/path/emp.csv' CSV HEADER;
• C. COPY emp TO '/path/emp.csv' DELIMITER ',' HEADER;
• D. COPY emp TO '/path/emp.csv' WITH CSV;

Answer: A

NEW QUESTION # 51
Which parameter controls the amount of memory allocated for maintenance operations like VACUUM and CREATE INDEX?

• A. work_mem
• B. autovacuum_work_mem
• C. shared_buffers
• D. maintenance_work_mem

Answer: D

NEW QUESTION # 52
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