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

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

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

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5. indexes do not use row versioning?

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

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7. What does an Item Pointer contain?

choose 3

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

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9. A page along with its tuples is read into the buffer cache with compression transformations to enhance cache efficiency?

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

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