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

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2. CLOG contains how many bits for each transaction?

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

choose 2

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4. Which function can we use to find the current transaction ID?

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5. What does an Item Pointer contain?

choose 3

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

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7. indexes do not use row versioning?

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

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9. Page free space can often become fragmented?

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10. Page header sizes can be easily displayed using the <choose from answers> extension

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