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. Each page has a layer that usually consists of?

choose 2

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2. The page Special Space is located at the start of the page with highest address

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

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4. Which 2 items does a Virtual XID consist of?

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5. status of a subtransaction is written into CLOG?

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

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7. Information about subtransactions is stored under?

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8. What does an Item Pointer contain?

choose 3

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

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10. UPDATE can be regarded as which 2 separate operations?

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