Hi Arkaprova, Every programming languages have their own purpose and advantages are there ex. COBOL (Common Bussiness Oriented Language) used for bussiness oriented purposes, FORTRAN (Formula Translation) using in scientific research puposes etc. Big Data domain again has few specific fields are there like BigData developer, BigData analytics, Data Scientist etc. Based on your interest in these fields you can choose language for Bigdata developer you need to learn stuffs like Hadoop, MapReduce, Pig, Hive, Flume, Sqoop etc for analytics you need to learn Python or Scala, SAS etc. so depending on fields these technologies will matter. Hope this will give at least some basic idea about Big Data world.
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