sql_mode="oracle" does not support xmltype data type

MariaDB [test]> CREATE TABLE warehouses(

    ->   warehouse_id NUMBER(3),

    ->   warehouse_spec XMLTYPE,

    ->   warehouse_name VARCHAR2(35),

    ->   location_id NUMBER(4));

ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'XMLTYPE,

  warehouse_name VARCHAR2(35),

  location_id NUMBER(4))' at line 3

SELECT RTRIM (XMLAGG (XMLELEMENT(e, stn.DOP || ' ')  ORDER BY stn.dop).EXTRACT ('//text()'), ',') AS dop FROM Tab;