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

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

2 / 10

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

3 / 10

CLOG files are stored in which directory?

4 / 10

indexes do not use row versioning?

5 / 10

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

6 / 10

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

7 / 10

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

8 / 10

The page Special Space is located at the start of the page with highest address

9 / 10

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

10 / 10

Tuples can also be referred to as columns?

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