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

pg_tables view will list all tables in the database?

2 / 20

ANALYZE command can be run on temporary tables?

3 / 20

If we delete all rows from a table, its data pages are automatically deleted to free space on disk?

4 / 20

Postgres uses a threads based process model?

5 / 20

Which process acts as a supervisor to others in Postgres?

6 / 20

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

7 / 20

which extension can be used to encrypt column data?

8 / 20

What is the maximum Table Size in Postgres?

9 / 20

What is the name of the file that track row changes in Postgres?

10 / 20

superuser can be locked to certain IPs

11 / 20

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

12 / 20

Each Database Cluster in Postgres can share a TCP Port for connections with other Postgres Database Clusters?

13 / 20

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

14 / 20

What is the purpose of the Background Writer?

15 / 20

pg_dump produces a backup file that is human readable with commands and data to create objects?

16 / 20

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

17 / 20

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

EXPLAIN select * from paul_sammy_tab1;

18 / 20

Which flag in psql can be used to describe a table definition?

19 / 20

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

20 / 20

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

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