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. Page free space can often become fragmented?

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2. CLOG Pages are never cached in memory?

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3. CLOG files are stored in which directory?

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4. Information about subtransactions is stored under?

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5. What does an Item Pointer contain?

choose 3

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6. A page along with its tuples is read into the buffer cache with compression transformations to enhance cache efficiency?

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7. CLOG contains how many bits for each transaction?

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

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

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

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