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. Tuples can also be referred to as columns?

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

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3. Which 2 items does a Virtual XID consist of?

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4. CLOG Pages are never cached in memory?

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5. CLOG contains how many bits for each transaction?

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

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7. The page Special Space is located at the start of the page with highest address

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

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9. status of a subtransaction is written into CLOG?

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10. In Postgres, tables are often referred to as which of the below?

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