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

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2. indexes do not use row versioning?

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

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

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5. What does an Item Pointer contain?

choose 3

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

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

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

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9. Postgres table physical data files are always cross compatible across platforms?

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10. UPDATE can be regarded as which 2 separate operations?

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