What Concurrent Processing Problem Occurs When a Transaction Rereads Data

question 5

Multiple Choice

What concurrent processing problem occurs when a transaction rereads data and finds new rows that were inserted by a different transaction since the prior read?

• A) Nonrepeatable reads
• B) Phantom reads
• C) Dirty reads
• D) Serialized reads
• E) Unlocked reads

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Definitions:

Aerobic Respiration

A process of producing cellular energy involving oxygen; cells break down food into water and carbon dioxide, releasing energy.

Microbe

A microscopic organism, such as bacteria, viruses, fungi, and protozoa, which can be beneficial or harmful.

Archaea

A domain of single-celled microorganisms distinct from bacteria and eukaryotes, often found in extreme environments.

Heterotrophs

Organisms that obtain their energy (nutrition) from consuming other organisms, as they cannot produce it internally.