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

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

2 / 10

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

3 / 10

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

4 / 10

CLOG files are stored in which directory?

5 / 10

Rows of TOAST tables are handled in such a way that they are never update?

6 / 10

Which 2 items does a Virtual XID consist of?

7 / 10

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

8 / 10

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

9 / 10

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

10 / 10

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

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