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

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2. What does an Item Pointer contain?

choose 3

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

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

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

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6. The page header is located in the highest address?

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7. Page free space can often become fragmented?

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

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

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10. a transaction containing a savepoint is will still be considered as only a single transaction?

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