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 user is the same as a schema in Postgres?

2 / 20

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

3 / 20

What is the purpose of continuous archiving?

4 / 20

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

5 / 20

Which flag in psql can be user to switch database connections?

6 / 20

What can wal_level be set to for continuous archiving to be setup?

7 / 20

Which parameter can we set in postgres to track ling running queries?

8 / 20

which below functions can be used to CAST one datatype to another

9 / 20

Postgres uses a threads based process model?

10 / 20

What is the purpose of the Background Writer?

11 / 20

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

12 / 20

which extension can be used to encrypt column data?

13 / 20

Which parameter must be set to TRUE for autovacuum to run

14 / 20

Which of the below are valid Postgres environment variables?

15 / 20

Which psql command will return a list of all dictionary views?

16 / 20

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

17 / 20

Which commands below are considered TCL?

18 / 20

Its possible to restrict what data is returned to a user depending on who they log on if they query the same table?

19 / 20

pg_basebackup requires database to be offline for a valid backup?

20 / 20

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

EXPLAIN select * from paul_sammy_tab1;

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