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. a transaction containing a savepoint is will still be considered as only a single transaction?

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2. Tuples can also be referred to as columns?

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3. status of a subtransaction is written into CLOG?

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

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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 Pages are never cached in memory?

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7. The page header stores checksum and the sizes of the other parts of the page?

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

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

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10. What does an Item Pointer contain?

choose 3

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