Pig : Working on Multiple Data Subsets

I have Dataset1a , Dataset1b , Dataset1c - all belong to Dataset1 .
Apart from that i have Dataset2, Dataset3 etc..

Do i need to merge Dataset1a,b,c to single one ? or how to use these together ?
For example : if i try JOIN Dataset1(???) by col1, Dataset2 by col1

1 Answer(s)


hi Ravi,

In Pig, you can load three separate data sets into different relations and join them.


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