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

1. Information about subtransactions is stored under?

2 / 10

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

3 / 10

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

4 / 10

4. Page free space can often become fragmented?

5 / 10

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

6 / 10

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

7 / 10

7. Which 2 items does a Virtual XID consist of?

8 / 10

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

9 / 10

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

10 / 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%