If data resides in a single source, it is always desirable to use Joins. When your data is not in one place blending is the most viable way to create a left join like the connection between your primary and secondary data sources.
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Main driver class which provides job configuration parameters. Mapper class which must extend org.apache.hadoop.mapredu...
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This will be used to extract various date formats. The available date formats as follows. Syntax: to_char ( date , fo...