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

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

2 / 10

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

3 / 10

Information about subtransactions is stored under?

4 / 10

What does an Item Pointer contain?

choose 3

5 / 10

CLOG contains how many bits for each transaction?

6 / 10

UPDATE can be regarded as which 2 separate operations?

7 / 10

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

8 / 10

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

9 / 10

Each page has a layer that usually consists of?

choose 2

10 / 10

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

Your score is

0%