Postgres 16 Beginners Knowledge Quiz

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Created by Paul Sammy

Postgres 16 Beginner Knowledge Checker Test 1.0

20 Questions chosen at Random to test your knowledge.

You have 3 minutes so think fast.

1 / 20

VACUUM FREEZE marks rows as frozen with special in the the past transaction ID's

2 / 20

SSL can be enforced for selective clients based on host or IP?

3 / 20

Which flag in psql can be used to save output to a file?

4 / 20

a VACUUM FULL will recover space from a delete at the o/s level?

5 / 20

The query below will return a list of databases?

SELECT datname FROM pg_database;

6 / 20

Which file is updated if settings are changed with ALTER SYSTEM?

7 / 20

Which environment variable can be set to avoid specifying a database when using psql connections?

8 / 20

EXPLAIN ANALYZE is used to run query and get actual runtime stats?

9 / 20

What commands add rows to a newly created table and freezes them?

10 / 20

How can you cancel a user query?

11 / 20

Which 2 command are used to provide or remove privileges in Postgres?

12 / 20

which of below are valid dictionary tables/views?

13 / 20

Postgres does not support sequences?

14 / 20

How can we easily find the definition of a View in Postgres?

15 / 20

What is another name for a row in Postgres?

16 / 20

The Logging collector routes log messages to which of the following?

17 / 20

Which of the below are the postgres 3 default databases?

18 / 20

Which of the below are valid modes to stop a cluster?

19 / 20

pg_basebackup automatically take a database cluster  in and out of backup mode?

20 / 20

Using psql what is '-p' flag user for

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