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. CLOG Pages are never cached in memory?

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3. When a row is created, its xmin value is set to the transaction ID of which command?

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4. CLOG files are stored in which directory?

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5. Tuples can also be referred to as columns?

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

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

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8. Information about subtransactions is stored under?

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9. Page header sizes can be easily displayed using the <choose from answers> extension

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

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