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

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

2 / 10

status of a subtransaction is written into CLOG?

3 / 10

indexes do not use row versioning?

4 / 10

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

5 / 10

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

6 / 10

CLOG contains how many bits for each transaction?

7 / 10

Indexes values also support multi versioning with several versions of an index value existing at any point in time?

8 / 10

Page free space can often become fragmented?

9 / 10

Each page has a layer that usually consists of?

choose 2

10 / 10

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

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