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. status of a subtransaction is written into CLOG?

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

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3. What does an Item Pointer contain?

choose 3

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4. The page Special Space is located at the start of the page with highest address

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5. Information about subtransactions is stored under?

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6. CLOG contains how many bits for each transaction?

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7. at any one time Postgres can have several versions of a row?

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

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9. indexes do not use row versioning?

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

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