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 tonon-null or non-empty string.