A nested query using the EXISTS clause is preferred over IN primarily because:

Which of the following revolutionary pairs were imprisoned together in Cellular Jail and faced harsh conditions, contributing significantly to the Indian independence movement?

Answer 1

EXISTS supports arithmetic operations

Answer 2

EXISTS enforces referential integrity

Answer 3

EXISTS always returns aggregated results

Answer 4

EXISTS checks only for the presence of rows and can short-circuit, improving efficiency

A nested query using the EXISTS clause is preferred over IN primarily because:

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A nested query using the EXISTS clause is preferred over IN primarily because:

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