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

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

2 / 10

Information about subtransactions is stored under?

3 / 10

indexes do not use row versioning?

4 / 10

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

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

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

8 / 10

Which 2 items does a Virtual XID consist of?

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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