PostgreSQL Essentials

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Latest PostgreSQL Essentials Exam Dumps Questions

The dumps for PostgreSQL Essentials exam was last updated on Apr 02,2026 .

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Question#1

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

A. \d tablename

B. \dt tablename

C. DESCRIBE tablename;

D. SHOW TABLE tablename;

Question#2

What is the purpose of the autovacuum parameter in PostgreSQL?

A. To manually run vacuum

B. To enable automatic vacuuming of tables

C. To compress database files

D. To backup data automatically

Question#3

You want to gracefully terminate a user's connection to the database.
Which function should you use?

A. pg_kill_backend(pid)

B. pg_terminate_backend(pid)

C. pg_cancel_backend(pid)

D. pg_disconnect_backend(pid)

Question#4

Which query displays the name and size of all databases in your cluster using a meaningful unit?

A. SELECT datname, pg_database_size(datname) FROM pg_database;

B. SELECT datname, pg_size_pretty(pg_database_size(datname)) AS size FROM pg_database;

C. SELECT name, size FROM pg_database;

D. SHOW DATABASE SIZE;

Question#5

Which pg_restore option allows you to drop database objects before recreating them?

A. -d

B. -c or --clean

C. -r

D. --drop-all

Exam Code: PostgreSQL Essentials Q & A: 71 Q&As Updated: Apr 02,2026

Full PostgreSQL Essentials Exam Dumps Here

Exam Code: PostgreSQL Essentials
Q & A: 71 Q&As
Updated: Apr 02,2026

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