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. What does an Item Pointer contain?

choose 3

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2. CLOG Pages are never cached in memory?

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

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4. indexes do not use row versioning?

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

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6. If a transaction is read only which kind of Transaction ID is it allocated?

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

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

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

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10. CLOG contains how many bits for each transaction?

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