ORA-23371: column string unknown in table string



ORA-23371: column string unknown in table string..

Answer / guest

Cause: Some column in "array_columns" argument (or
"column_list" argument) to "differences()" routine does not
correspond to a column in the specified table.

Action: Make sure that all the columns in either
"array_columns" or "column_list" are present in the
specified table.

Please add more information about this Error

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