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. UPDATE can be regarded as which 2 separate operations?

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

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

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4. CLOG contains how many bits for each transaction?

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

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6. Page free space can often become fragmented?

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

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

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

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10. Postgres table physical data files are always cross compatible across platforms?

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