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

Each page has a layer that usually consists of?

choose 2

2 / 10

psql provides a special mode that allows you to continue a transaction after a failure?

3 / 10

To identify different versions of one and the same row, PostgreSQL marks each of them with which two value?

4 / 10

CLOG contains how many bits for each transaction?

5 / 10

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

6 / 10

Information about subtransactions is stored under?

7 / 10

When a transaction is committed Postgres uses a special <replace with answer> structure?

8 / 10

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

9 / 10

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

10 / 10

Postgres table physical data files are always cross compatible across platforms?

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