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. status of a subtransaction is written into CLOG?

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

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3. CLOG files are stored in which directory?

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

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

choose 2

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6. a transaction containing a savepoint is will still be considered as only a single transaction?

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

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

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9. indexes do not use row versioning?

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

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