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. Tuples can also be referred to as columns?

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

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3. Which 2 of the below represent transaction IDs used for row versioning?

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

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

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

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8. virtual IDs exist only in PGDATA/pg_vxid when not cached?

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9. CLOG Pages are never cached in memory?

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10. To identify different versions of one and the same row, PostgreSQL marks each of them with which two value?

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