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

What is the purpose of the WAL writer?

2 / 20

How can we run a script while invoking psql?

3 / 20

Explain plans show which of below:

4 / 20

What is the default search_path

5 / 20

In postgres we do not need to collect table optimiser statistics as they are always upto date?

6 / 20

SELinux must be set to which  mode on systems with SELinx

7 / 20

What is the standard default user Postgres 16 runs as?

8 / 20

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

9 / 20

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

10 / 20

Which 2 commands below are considered DCL?

11 / 20

which environment variable can be used to specify a user for psql?

12 / 20

which system function will show current user connected as?

13 / 20

What does \x instruct psql to do?

14 / 20

pg_dump will backup the entire cluster in one command?

15 / 20

pgBackRest supports Rate Limiting?

16 / 20

Which of the below are valid modes to stop a cluster?

17 / 20

What are the 3 phases of Statement Processing in Postgres?

18 / 20

What is the purpose of continuous archiving?

19 / 20

How can you cancel a user query?

20 / 20

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

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