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

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

2 / 20

what utility is used to start and stop a database cluster?

3 / 20

Which of below utilities are considerations for logical backup?

4 / 20

pgcrypto supports only 1 way encryption?

5 / 20

Constraints can be set to be deferrable?

6 / 20

Which of the below statements is true about tablespaces?

7 / 20

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

8 / 20

which psql command will return a list of databases?

9 / 20

What is the purpose of the Background Writer?

10 / 20

pgAdmin query tool allows user to perform which of the below:

11 / 20

What command is used to initialise a new cluster?

12 / 20

There will be 1 physical file on disk per table or index?

13 / 20

A database cluster is a 2 node active/active Database for High Availability in Postgres?

14 / 20

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

15 / 20

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

EXPLAIN select * from paul_sammy_tab1;

16 / 20

Vacuuming takes out SHARED locks only to allow performance to not be impeded?

17 / 20

pgAdmin can be used to run a database backup?

18 / 20

Which commands below are considered TCL?

19 / 20

We should VACUUM every table at least every 4 billion transactions?

20 / 20

How would you using psql lists tables, views, and sequences with access privileges?

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