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. Which 2 items does a Virtual XID consist of?

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

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4. indexes do not use row versioning?

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5. Page free space can often become fragmented?

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6. Tuples can also be referred to as columns?

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

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

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

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

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