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Explain what is Tableau public?


Tableau public is a free service that allows anyone to publish interactive data to the web. Once it is there on web, anyone can interact with the data, download it or create their own visualization.
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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...