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

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

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3. CLOG files are stored in which directory?

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

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5. CLOG contains how many bits for each transaction?

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

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

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8. Tuples can also be referred to as columns?

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

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10. To identify different versions of one and the same row, PostgreSQL marks each of them with which two value?

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