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

indexes do not use row versioning?

2 / 10

Which 2 items does a Virtual XID consist of?

3 / 10

status of a subtransaction is written into CLOG?

4 / 10

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

5 / 10

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

6 / 10

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

7 / 10

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

8 / 10

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

9 / 10

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

10 / 10

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

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