ORA-23368: name string cannot be null or the empty string
Cause: Argument "sname1," "sname2," "oname1," "oname2," "missing_rows_sname," "missing_rows_oname1," "missing_rows_oname2" to "differences()" or "rectify()" cannot be NULL or ' (empty string).
Action: Change argument to non-null or non-empty string.
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ORA-23368name string cannot be null or the empty string