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

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2. Each page has a layer that usually consists of?

choose 2

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

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

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

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6. UPDATE can be regarded as which 2 separate operations?

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7. Tuples can also be referred to as columns?

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

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

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10. CLOG Pages are never cached in memory?

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