--Although MapReduce is very powerful, it can also be complex to master
--Many organizations have programmers who are skilled at writing code in scripting languages
--Hive and Pig are two projects which evolved separately to help such people analyze huge amounts of data via MapReduce
-- Hive was initially developed at Facebook, Pig at Yahoo!
Hive vs Pig
Language- HiveQL(SQL Like)
Schema -Table definition that are stored in a metastore