Note - Read about the JOIN operator here
File A has:
a11 a12 a21 a22
File B has:
a11 b12 b21 b22
These files are in HDFS and are located in /data/pig directory.
If we run the below commands
A = load '/data/pig/A' as (f, s); B = load '/data/pig/B' as (f, t); C = join A by f, B by f; dump C;
then the output will be
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