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hive:tldr:10d00
This command is invoking the Hive tool with certain options and arguments.
-
hive
: It is the command to start the Hive tool, which is a data warehousing and SQL-like query language tool for analyzing and processing structured data in Hadoop. -
--define ${key}=${value}
: This option allows you to define a variable called${key}
and assign it the value${value}
. This variable can be referenced within Hive queries or scripts. -
-f ${filename-sql}
: This option instructs Hive to read and execute the SQL commands stored in the file specified by${filename-sql}
. The file should contain Hive queries or scripts written in SQL-like syntax.
Overall, by using this command, the Hive tool is being invoked with a variable defined, and a specific SQL file is being executed.