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. at any one time Postgres can have several versions of a row?

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

choose 2

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

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5. Page free space can often become fragmented?

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

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7. indexes do not use row versioning?

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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. psql provides a special mode that allows you to continue a transaction after a failure?

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