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

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

2 / 10

Information about subtransactions is stored under?

3 / 10

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

4 / 10

Page free space can often become fragmented?

5 / 10

A page along with its tuples is read into the buffer cache with compression transformations to enhance cache efficiency?

6 / 10

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

7 / 10

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

8 / 10

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

9 / 10

CLOG contains how many bits for each transaction?

10 / 10

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

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