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. Page free space can often become fragmented?

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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. Information about subtransactions is stored under?

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

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

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6. Tuples can also be referred to as columns?

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7. indexes do not use row versioning?

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

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9. at any one time Postgres can have several versions of a row?

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

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