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. CLOG files are stored in which directory?

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2. What does an Item Pointer contain?

choose 3

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

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

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5. status of a subtransaction is written into CLOG?

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

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

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8. indexes do not use row versioning?

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

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

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