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Are results returned as they become available, or all at once when a query completes?

Question Posted / dharma


Are results returned as they become available, or all at once when a query completes?..

Answer / Rajesh Kumar Saroj

Impala returns results as soon as they are available. This is known as streaming results. The user can choose to collect all results before returning (collect mode) or stream the results in real-time (streaming mode).

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