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

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

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

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

choose 2

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

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

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

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

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10. What does an Item Pointer contain?

choose 3

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