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Difference between Pig, Hive and MapReduce

Pig Hive Hadoop mapreduce
Pig is a scripting language SQL like query language It is a compiled language
Higher level of abstraction Higher level of abstraction Hadoop mapreduce used lower level of abstraction
Comparatively less line of codes
than mapreduce		 Comparatively less lines of code
than mapreduce and apache pig		 More lines of code
Development effort is less code efficiency
is relatively less		 Development effort is less code
efficiency is relatively less		 More development , effort is involved
Code efficiency is relatively less Code efficiency is relatively less Code efficiency is high when compared
to pig and hive
Pig is open source Hive open source Hadoop MapReduce were built so that hadoop developers could do the same
thing in Java in a less verbose way by writing only
fewer lines of code that is easy to understand
Disadvantage of pig is that commands
are not executed unless either you dump
or store an intermediate or final result.This
increases the iteration between debug and
resolving the issue.		 Disadvantages of hive is that No
real time access to data, Updating
data is complicated		 The only drawback that developers need to write several lines of basic java code
differences-between-hive-and-pig
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