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

2 / 10

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

3 / 10

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

4 / 10

Information about subtransactions is stored under?

5 / 10

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

6 / 10

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

7 / 10

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

8 / 10

CLOG files are stored in which directory?

9 / 10

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

10 / 10

indexes do not use row versioning?

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