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. CLOG Pages are never cached in memory?

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2. Tuples can also be referred to as columns?

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

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4. CLOG contains how many bits for each transaction?

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

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6. indexes do not use row versioning?

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

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

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

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

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