Hi ,

I have a small doubt in how hive handles queries containing join of more
than 2 tables .

Suppose we have 3 tables A,B,C .. and the plan is  "((AB)C)" ..
We can join A,B in a map reduce job and join the resultant table with "C". I
have a doubt whether the result of "AB" is stored to disk before joining
with C or is it streamed directly to join with C (I don't know how , just a
guess) .


Any help is appreciated ,

Thanks

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