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

What does an Item Pointer contain?

choose 3

2 / 10

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

3 / 10

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

4 / 10

The page header stores checksum and the sizes of the other parts of the page?

5 / 10

CLOG files are stored in which directory?

6 / 10

Indexes values also support multi versioning with several versions of an index value existing at any point in time?

7 / 10

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

8 / 10

CLOG Pages are never cached in memory?

9 / 10

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

10 / 10

Which 2 items does a Virtual XID consist of?

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