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. The page header is located in the highest address?

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

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

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4. Which 2 of the below represent transaction IDs used for row versioning?

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

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

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7. Page free space can often become fragmented?

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

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

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

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