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

CLOG files are stored in which directory?

2 / 10

status of a subtransaction is written into CLOG?

3 / 10

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

4 / 10

CLOG Pages are never cached in memory?

5 / 10

a transaction containing a savepoint is will still be considered as only a single transaction?

6 / 10

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

7 / 10

index row headers like table row headers contain xmin and xmax fields?

8 / 10

The page header is located in the highest address?

9 / 10

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

10 / 10

Which 2 items does a Virtual XID consist of?

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