if we take 2 tables(like emp and dept), we use join stage and
how to improve the performance?

Answer Posted / poorna chandra

Hi this is Poorna ,

We can Improve the performance on join stage by doing
pre sorting for both left and right data based on
key .Then we can Improve the performance in join stage .

Plz correct me if any mistake in thinking .

Is This Answer Correct ?    6 Yes 1 No



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