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

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

choose 2

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

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

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5. CLOG Pages are never cached in memory?

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

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

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

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9. Tuples can also be referred to as columns?

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

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