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Category: Hive

Hive Function Cheat Sheet

HIVE FUNCTION META COMMANDS SHOW FUNCTIONS– lists Hive functions and operators DESCRIBE FUNCTION [function name]– displays short description of the function DESCRIBE FUNCTION EXTENDED [function name]– access extended
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Hive Command Line Option

Hive Command Line * Running query from command line and setting configuration $HIVE_HOME/bin/hive -e ‘select a.col from tab1 a’  -hiveconf mapred.reduce.tasks=32 * Running script non-interactivley $HIVE_HOME/bin/hive -f /home/my/hive-script.sql *
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