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

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3. CLOG contains how many bits for each transaction?

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

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

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6. indexes do not use row versioning?

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

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

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9. Information about subtransactions is stored under?

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

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