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. Tuples can also be referred to as columns?

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3. indexes do not use row versioning?

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4. CLOG files are stored in which directory?

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

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

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7. What does an Item Pointer contain?

choose 3

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

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

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

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