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. What does an Item Pointer contain?

choose 3

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2. Rows of TOAST tables are handled in such a way that they are never update?

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

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

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

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

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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. Tuples can also be referred to as columns?

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9. Information about subtransactions is stored under?

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10. CLOG files are stored in which directory?

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