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[General] 100% Pass Quiz PostgreSQL-Essentials PostgreSQL Essentials Certification v13 Mar

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【General】 100% Pass Quiz PostgreSQL-Essentials PostgreSQL Essentials Certification v13 Mar

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EnterpriseDB PostgreSQL-Essentials Exam Syllabus Topics:
TopicDetails
Topic 1
  • 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 2
  • 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 3
  • 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 4
  • 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 5
  • 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 6
  • 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.

EnterpriseDB PostgreSQL Essentials Certification v13 Sample Questions (Q86-Q91):NEW QUESTION # 86
Which command reclaims all obsolete row space and compacts the customers table for reuse?
  • A. CLUSTER customers;
  • B. VACUUM FULL customers;
  • C. ANALYZE customers;
  • D. VACUUM customers;
Answer: B

NEW QUESTION # 87
Which command displays the current search path in PostgreSQL?
  • A. path
  • B. GET search_path;
  • C. SELECT search_path;
  • D. SHOW search_path;
Answer: D

NEW QUESTION # 88
Examine the following SQL:
CREATE VIEW vw_emp_details AS SELECT ename, sal, sal*12 AS annsal FROM emp; After creating the above view, what will be the result of the following query?
UPDATE vw_emp_details SET annsal = annsal + 100;
  • A. Statement executes successfully and all the rows of emp table are modified
  • B. Statement executes successfully but none of the rows of emp table are modified
  • C. Error: Cannot update column annsal
  • D. Error: Views cannot be updated
Answer: C

NEW QUESTION # 89
You want to check the current value of the max_connections parameter. Which SQL command should you use?
  • A. SHOW max_connections;
  • B. SELECT max_connections;
  • C. GET max_connections;
  • D. DISPLAY max_connections;
Answer: A

NEW QUESTION # 90
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_duration
  • B. log_min_duration_statement
  • C. log_statement
  • D. log_destination
Answer: B

NEW QUESTION # 91
......
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