XMLELEMENT 구문 XMLELEMENT ( [ ENTITYESCAPING | NOENTITYESCAPING ] { ( [ NAME ] identifier ) | ( EVALNAME value_expr ) } [ , XML_attributes_clause ] [ , value_expr [ [ AS ] c_alias ]]... XML_attributes_clause::= XMLATTRIBUTES ( [ ENTITYESCAPING | NOENTITYESCAPING ] [ SCHEMACHECK | NOSCHEMACHECK ] value_expr [ { [AS] c_alias } | { AS EVALNAME value_expr } ] [, value_expr [ { [AS] c_alias } | { AS.....