How to fix the Oracle error PLS-01472: In a set_function_specification, if DISTINCT is present, the expression must be a column_specification?

In this post, you’ll learn more about the Oracle ErrorPLS-01472: In a set_function_specification, if DISTINCT is present, the expression must be a column_specification with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-01472: In a set_function_specification, if DISTINCT is present, the expression must be a column_specification

Reason for the Error PLS-01472: In a set_function_specification, if DISTINCT is present, the expression must be a column_specification

In a set_function_specification, if DISTINCT is present, the expression must be a column_specification.

How to fix the Error PLS-01472: In a set_function_specification, if DISTINCT is present, the expression must be a column_specification ?

You can fix this error in Oracle by following the below steps

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