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

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

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

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

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

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

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

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8. CLOG contains how many bits for each transaction?

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9. Tuples can also be referred to as columns?

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10. Information about subtransactions is stored under?

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