samedi 19 avril 2014

Hadoop - calcul des percentiles efficacement en utilisant la ruche - Stack Overflow


I have to calculate percentiles for around 6 columns in hive using percentile & percentile_approx. Can anyone please assist me if I can do all the columns at one shot instead of running the query multiple times.



I have to calculate percentiles for around 6 columns in hive using percentile & percentile_approx. Can anyone please assist me if I can do all the columns at one shot instead of running the query multiple times.


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