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

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

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3. Tuples can also be referred to as columns?

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

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

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

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7. CLOG contains how many bits for each transaction?

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

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9. indexes do not use row versioning?

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

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