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Which command would you use if you want to remove the password assigned to a group?
- gpasswd – r removes the password from the group.
- Here, the gpasswd changes the password of the group and when it is accompanied by –r, the password gets removed.
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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...