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

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

2 / 10

indexes do not use row versioning?

3 / 10

Tuples can also be referred to as columns?

4 / 10

Information about subtransactions is stored under?

5 / 10

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

6 / 10

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

7 / 10

Which function can we use to find the current transaction ID?

8 / 10

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

9 / 10

CLOG Pages are never cached in memory?

10 / 10

UPDATE can be regarded as which 2 separate operations?

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