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. Page header sizes can be easily displayed using the <choose from answers> extension

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

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

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

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

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

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

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8. Indexes values also support multi versioning with several versions of an index value existing at any point in time?

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9. Which of the below are true about a Pages Item Pointer?

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

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