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

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2. Postgres table physical data files are always cross compatible across platforms?

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

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

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

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6. If a transaction is read only which kind of Transaction ID is it allocated?

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

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

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9. status of a subtransaction is written into CLOG?

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10. Each page has a layer that usually consists of?

choose 2

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