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. If a transaction aborts, all page changes are reverted(rolled back) in place?

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3. Page free space can often become fragmented?

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4. CLOG files are stored in which directory?

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

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

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

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8. If a transaction is read only which kind of Transaction ID is it allocated?

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9. Each page has a layer that usually consists of?

choose 2

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

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