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

The SQL below will generate an EXPLAIN Plan and also run the query?

EXPLAIN select * from paul_sammy_tab1;

2 / 20

which psql command will return a list of databases?

3 / 20

What is the standard default user Postgres 16 runs as?

4 / 20

Autovacuum can also collect database statistics?

5 / 20

Which process listeners for new connections?

6 / 20

Which 2 commands can either be run to reload update to pg_hba.conf

7 / 20

Which command modifies Database settings at the cluster level?

8 / 20

which flag is used to exit psql?

9 / 20

Is it possible to reserve connections for superusers?

10 / 20

A CROSS JOIN and a FULL OUT JOIN are the same thing?

11 / 20

What is the purpose of the Background Writer?

12 / 20

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

13 / 20

Postgres is ACID compliant

14 / 20

which flag in psql will list all databaseS?

15 / 20

What is a another word for a table or index in Postgres?

16 / 20

Server setting parameters are case sensitive?

17 / 20

Pages from a delete can only be reused once a Vacuum operation has been performed?

18 / 20

To use Row level security we must also create which of the below:

19 / 20

What is the default search_path

20 / 20

We can't use native o/s commands to backup cluster as this is outside of postgres?

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