THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Example of running a query from the command line
No Format $HIVE_HOME/bin/hive -e 'select a.col from tab1 a'
Example of setting Hive configuration variables
No Format $HIVE_HOME/bin/hive -e 'select a.col from tab1 a' --hiveconf hive.exec.scratchdir=/home/my/hive_scratch --hiveconf mapred.reduce.tasks=32
Example of dumping data out from a query into a file using silent mode
No Format $HIVE_HOME/bin/hive -S -e 'select a.col from tab1 a' > a.txt
Example of running a script non-interactively from local disk
No Format $HIVE_HOME/bin/hive -f /home/my/hive-script.sql
Example of running a script non-interactively from a hadoop supported filesystem (starting Hive 0.14)
No Format $HIVE_HOME/bin/hive -f hdfs://<namenode>:<port>/hive-script.sql $HIVE_HOME/bin/hive -f s3://mys3bucket/s3-script.sql
Example of running an initialization script before entering interactive mode
No Format $HIVE_HOME/bin/hive -i /home/my/hive-init.sql
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hive -e '<query-string>'
executes the query string.hive -f <filepath>
executes one or more SQL queries from a file.
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As of Hive 0.14, <filepath> can be from one of the hadoop supported filesystems (hdfs, s3 etc) as well |
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sql |
Examples are shown above.
Hive Interactive Shell Commands
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