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

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

2 / 10

Each page has a layer that usually consists of?

choose 2

3 / 10

When a row is created, its xmin value is set to the transaction ID of which command?

4 / 10

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

5 / 10

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

6 / 10

CLOG files are stored in which directory?

7 / 10

If a transaction is read only which kind of Transaction ID is it allocated?

8 / 10

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

9 / 10

CLOG Pages are never cached in memory?

10 / 10

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

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