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

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

2 / 10

Each page has a layer that usually consists of?

choose 2

3 / 10

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

4 / 10

CLOG Pages are never cached in memory?

5 / 10

Tuples can also be referred to as columns?

6 / 10

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

7 / 10

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

8 / 10

Which 2 items does a Virtual XID consist of?

9 / 10

CLOG files are stored in which directory?

10 / 10

index row headers like table row headers contain xmin and xmax fields?

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