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Highlight the difference between group and Cogroup operators in Pig?

Question Posted / Nisha Bala

Answer Posted / Nisha Bala

The main difference between GROUP and COGROUP operators lies in the number of relations they operate on: GROUP operates on one relation, whereas COGROUP operates on two or more relations. GROUP groups tuples based on a specified field or expression within a single relation, while COGROUP groups tuples together from multiple relations based on a common grouping field.

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