PostgreSQL 14 Internals Quiz

Created by Paul Sammy

PostgreSQL 14 Internals Chapter 3

A quiz to test the knowledge of those reading and learning from Postgres 14 Internals book by Egor Rogov, covering topics in Chapter 3.

1 / 10

CLOG contains how many bits for each transaction?

2 / 10

Page free space can often become fragmented?

3 / 10

Which 2 of the below represent transaction IDs used for row versioning?

4 / 10

When a row is created, its xmin value is set to the transaction ID of which command?

5 / 10

at any one time Postgres can have several versions of a row?

6 / 10

CLOG Pages are never cached in memory?

7 / 10

Page header sizes can be easily displayed using the <choose from answers> extension

8 / 10

a transaction containing a savepoint is will still be considered as only a single transaction?

9 / 10

Rows of TOAST tables are handled in such a way that they are never update?

10 / 10

indexes do not use row versioning?

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