Which of the following is correct syntax for parameter substitution using cmd?

A) {%declare | %default}

B) {%declare | %default} param_name param_value

C) {%declare | %default} param_name param_value cmd

D) pig {-param param_name = param_value | -param_file file_name} [-debug | -dryrun] script

Correct Answer : pig {-param param_name = param_value | -param_file file_name} [-debug | -dryrun] script

Explanation : Parameter Substitution is used to substitute values for parameters at run time.

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