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An operation at the top of the pipeline makes repeated requests for tuples from the ____ pipeline

2. An operation at the top of the pipeline makes repeated requests for tuples from the ____ pipeline.

1. Demand-taken
2. Demand-driven
3. Demand-driver
4. Demand-drive

Answer: B) Demand-driven

Explanation:

An operation at the top of the pipeline makes repeated requests for tuples from the demand-driven pipeline.