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

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

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

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5. What does an Item Pointer contain?

choose 3

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

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

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8. CLOG contains how many bits for each transaction?

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

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

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