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

Which 2 items does a Virtual XID consist of?

2 / 10

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

3 / 10

UPDATE can be regarded as which 2 separate operations?

4 / 10

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

5 / 10

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

6 / 10

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

7 / 10

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

8 / 10

virtual IDs exist only in PGDATA/pg_vxid when not cached?

9 / 10

The page header is located in the highest address?

10 / 10

In Postgres, tables are often referred to as which of the below?

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