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.

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1. The page header stores checksum and the sizes of the other parts of the page?

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

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

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4. Page free space can often become fragmented?

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

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

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

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8. Which 2 of the below represent transaction IDs used for row versioning?

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

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10. Which 2 items does a Virtual XID consist of?

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