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PostgreSQL-EssentialsbPostgreSQL-Essentials}
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EnterpriseDB PostgreSQL-Essentials ԇV| } | | | } 1 | - 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.
| | } 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.
| | } 3 | - 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 candidates ability to protect sensitive data and maintain compliance with security standards.
| | } 4 | - 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.
| | } 5 | - 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.
| | } 6 | - 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.
| | } 7 | - 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.
| | } 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.
| | } 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.
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µ EnterpriseDB PostgreSQL PostgreSQL-Essentials Mԇ} (Q72-Q77):} #72
You want to gracefully terminate a user's connection to the database. Which function should you use?
- A. pg_cancel_backend(pid)
- B. pg_kill_backend(pid)
- C. pg_disconnect_backend(pid)
- D. pg_terminate_backend(pid)
𰸣D
} #73
Which parameter must be set to enable WAL archiving for Point-in-Time Recovery in PostgreSQL 13?
- A. wal_level = logical
- B. wal_level = minimal
- C. wal_level = archive
- D. wal_level = replica
𰸣D
} #74
Which parameter sets the number of autovacuum worker processes?
- A. max_autovacuum_workers
- B. autovacuum_workers
- C. vacuum_workers
- D. autovacuum_max_workers
𰸣D
} #75
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?
𰸣B
} #76
You want to export query results to a CSV file from psql. Which command should you use?
- A. SAVE AS 'filename.csv'
- B. export filename.csv
- C. copy tablename TO 'filename.csv' CSV
- D. EXPORT TO 'filename.csv'
𰸣C
} #77
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