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. Each page has a layer that usually consists of?

choose 2

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2. status of a subtransaction is written into CLOG?

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

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

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5. Which of the below are true about a Pages Item Pointer?

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6. The page Special Space is located at the start of the page with highest address

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

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8. Tuples can also be referred to as columns?

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

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

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