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

2 / 10

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

3 / 10

3. Page free space can often become fragmented?

4 / 10

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

5 / 10

5. In Postgres, tables are often referred to as which of the below?

6 / 10

6. CLOG Pages are never cached in memory?

7 / 10

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

8 / 10

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

9 / 10

9. The page Special Space is located at the start of the page with highest address

10 / 10

10. Which function can we use to find the current transaction ID?

Your score is

0%