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

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2. What does an Item Pointer contain?

choose 3

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

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

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5. Tuples can also be referred to as columns?

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6. If a transaction is read only which kind of Transaction ID is it allocated?

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

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

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9. When a transaction is committed Postgres uses a special <replace with answer> structure?

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

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