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. Tuples can also be referred to as columns?

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2. In Postgres, tables are often referred to as which of the below?

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

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

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5. status of a subtransaction is written into CLOG?

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6. What does an Item Pointer contain?

choose 3

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7. The page header is located in the highest address?

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

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

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10. Which 2 of the below represent transaction IDs used for row versioning?

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