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

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

2 / 10

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

3 / 10

What does an Item Pointer contain?

choose 3

4 / 10

Page free space can often become fragmented?

5 / 10

psql provides a special mode that allows you to continue a transaction after a failure?

6 / 10

If a transaction aborts, all page changes are reverted(rolled back) in place?

7 / 10

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

8 / 10

UPDATE can be regarded as which 2 separate operations?

9 / 10

The page header is located in the highest address?

10 / 10

When a transaction is committed Postgres uses a special <replace with answer> structure?

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