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What are the majorly used commands in Sqoop?
In Sqoop Majorly
Import
and
export
commands are used. But below commands are also useful some times.
codegen
eval
import-all-tables
job
list-databases
list-tables
merge
metastore
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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...