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. The page header is located in the highest address?

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

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3. CLOG Pages are never cached in memory?

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4. When a row is created, its xmin value is set to the transaction ID of which command?

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5. Rows of TOAST tables are handled in such a way that they are never update?

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

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

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8. indexes do not use row versioning?

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

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

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