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 Pages are never cached in memory?

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2. psql provides a special mode that allows you to continue a transaction after a failure?

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

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4. indexes do not use row versioning?

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

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

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7. Rows of TOAST tables are handled in such a way that they are never update?

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

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9. The page header is located in the highest address?

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

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