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. Each page has a layer that usually consists of?

choose 2

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

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3. When a row is created, its xmin value is set to the transaction ID of which command?

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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. indexes do not use row versioning?

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

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7. Page free space can often become fragmented?

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

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9. CLOG contains how many bits for each transaction?

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

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