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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
Multiple Data Subsets
Feb 01 2015 08:45 AM
In Pig, you can load three separate data sets into different relations and join them.
Feb 08 2015 11:09 AM
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