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

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

2 / 10

UPDATE can be regarded as which 2 separate operations?

3 / 10

Rows of TOAST tables are handled in such a way that they are never update?

4 / 10

Page free space can often become fragmented?

5 / 10

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

6 / 10

Information about subtransactions is stored under?

7 / 10

CLOG files are stored in which directory?

8 / 10

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

9 / 10

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

10 / 10

status of a subtransaction is written into CLOG?

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