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

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

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3. Each page has a layer that usually consists of?

choose 2

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

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

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6. CLOG files are stored in which directory?

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

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8. When a transaction is committed Postgres uses a special <replace with answer> structure?

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

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10. indexes do not use row versioning?

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