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

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

2 / 10

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

3 / 10

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

4 / 10

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

5 / 10

Tuples can also be referred to as columns?

6 / 10

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

7 / 10

Page header sizes can be easily displayed using the <choose from answers> extension

8 / 10

When a transaction is committed Postgres uses a special <replace with answer> structure?

9 / 10

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

10 / 10

status of a subtransaction is written into CLOG?

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