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Key PostgreSQL-Essentials Concepts | 100% Free the Best Valid PostgreSQL Essenti

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Key PostgreSQL-Essentials Concepts | 100% Free the Best Valid PostgreSQL Essenti

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EnterpriseDB PostgreSQL-Essentials Exam Syllabus Topics:
TopicDetails
Topic 1
  • 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 2
  • 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 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 candidate’s ability to protect sensitive data and maintain compliance with security standards.
Topic 4
  • 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 5
  • 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 6
  • 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 7
  • 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 8
  • 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 9
  • 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.

EnterpriseDB PostgreSQL Essentials Certification v13 Sample Questions (Q78-Q83):NEW QUESTION # 78
What is the purpose of shared_buffers configuration parameter in PostgreSQL?
  • A. To set the amount of memory for sorting
  • B. To set connection pool size
  • C. To determine memory for caching data from disk
  • D. To control WAL buffer size
Answer: C

NEW QUESTION # 79
Which psql command quits the psql interface?
  • A. exit
  • B. quit
  • C. All of the above
  • D. q
Answer: C

NEW QUESTION # 80
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. SHOW DATA_DIRECTORY;
  • B. SELECT data_dir FROM pg_settings;
  • C. SELECT server_dir FROM pg_settings;
  • D. SHOW DIRECTORY;
Answer: A

NEW QUESTION # 81
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;
  • B. EXPORT emp TO '/path/emp.csv' CSV HEADER;
  • C. COPY emp TO '/path/emp.csv' WITH CSV HEADER;
  • D. COPY emp TO '/path/emp.csv' DELIMITER ',' HEADER;
Answer: C

NEW QUESTION # 82
Which parameter specifies the number of connection slots reserved for superusers?
  • A. superuser_reserved_connections
  • B. reserved_connections
  • C. superuser_connections
  • D. admin_connections
Answer: A

NEW QUESTION # 83
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