Hadoop DP Notes
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What are the features of Pseudo mode?
Pseudo mode is used both for development and in the QA environment. In the Pseudo mode all the daemons run on the same machine.
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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...