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

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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. If a transaction aborts, all page changes are reverted(rolled back) in place?

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4. status of a subtransaction is written into CLOG?

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

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6. CLOG contains how many bits for each transaction?

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7. What does an Item Pointer contain?

choose 3

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8. indexes do not use row versioning?

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9. Information about subtransactions is stored under?

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10. CLOG Pages are never cached in memory?

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