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

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

2 / 10

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

3 / 10

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

4 / 10

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

5 / 10

Postgres table physical data files are always cross compatible across platforms?

6 / 10

Which of the below are true about a Pages Item Pointer?

7 / 10

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

8 / 10

Information about subtransactions is stored under?

9 / 10

Which 2 items does a Virtual XID consist of?

10 / 10

CLOG contains how many bits for each transaction?

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