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

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

2 / 20

Which of the below are the postgres 3 default databases?

3 / 20

What is the purpose of the Background Writer?

4 / 20

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

5 / 20

pg_tables view will list all tables in the database?

6 / 20

pg_stats command is used to collect table statistics?

7 / 20

Which of below are types of SQL in Postgres:

8 / 20

Which postgres command is used to unload table data into csv files on disk?

9 / 20

What is the purpose of the WAL writer?

10 / 20

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

11 / 20

Postgres does not support sequences?

12 / 20

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

13 / 20

pg_dumpall can also dump users but not global objects?

14 / 20

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

15 / 20

ANALYZE command can be run on temporary tables?

16 / 20

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

17 / 20

Constraints can be set to be deferrable?

18 / 20

postgres provide a utility to create users called 'createuser'

19 / 20

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

EXPLAIN select * from paul_sammy_tab1;

20 / 20

What is the maximum Row Size in Postgres?

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