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What is the function of co-group in Pig?

Question Posted / umesh sharma


What is the function of co-group in Pig?..

Answer / Manoj Kumar Sharma

In Apache Pig, COGROUP is an operator that groups tuples together from multiple relations based on a common grouping field. It is useful for processing data across multiple relations simultaneously, such as when joining, aggregating, or comparing data from different sources.

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