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

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2. Page free space can often become fragmented?

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

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

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5. indexes do not use row versioning?

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6. Which function can we use to find the current transaction ID?

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

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

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9. Information about subtransactions is stored under?

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

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