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How to connect impala?
impala-shell -k -i clustername:portno -d database
how to execute hive query in terminal?
hive -S -e "use database"
hive -S -e "query";
how to see the log if a job fails or see log for particular job?
check the oozie link for the particular job
how to see table of a particular user?
Note: post your doubts in comment. so that I will help you
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