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What is Sqoop?


 Sqoop is an open source project that enables data transfer from non-hadoop source to hadoop source. It can be remembered as SQL to Hadoop -> SQOOP. It allows user to specify the source and target location inside the Hadoop.
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  • What are the main components of Mapreduce Job ?
      Main driver class which provides job configuration parameters. Mapper class which must extend org.apache.hadoop.mapredu...
  • TO_CHAR
       This will be used to extract various date formats.     The available date formats as follows.     Syntax: to_char ( date , fo...