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

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

2 / 10

The page header stores checksum and the sizes of the other parts of the page?

3 / 10

Each page has a layer that usually consists of?

choose 2

4 / 10

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

5 / 10

What does an Item Pointer contain?

choose 3

6 / 10

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

7 / 10

Page free space can often become fragmented?

8 / 10

Which 2 items does a Virtual XID consist of?

9 / 10

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

10 / 10

Which of the below are true about a Pages Item Pointer?

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