Java - Tabla Temporal Mysql - JAVA

CREATE TEMPORARY TABLE tmpMaximos ( id int , maximo int );

INSERT INTO tmpMaximos (id,maximo) SELECT id_actividad, max(parametros)

FROM practica group by id_actividad;

UPDATE actividad

    INNER JOIN tmpMaximos

       ON actividad.id_actividad = tmpMaximos.id

    SET actividad.Max_act= tmpMaximos.maximo;

SELECT * FROM tmpMaximos

UA_resumen jButton1ActionPerformed

GRAVE: null

com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: 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 'INSERT INTO tmpMaximos (id,maximo) SELECT id_actividad, max(parametros)

FROM pr' at line 2

	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)

	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)

try {

        Statement st = conect.createStatement();

             //ResultSet rs = st.executeQuery(sql);

             st.executeUpdate("CREATE TEMPORARY TABLE tmpMaximos ( id int , maximo int );\n" +

                                "INSERT INTO tmpMaximos (id,maximo) SELECT id_actividad, max(parametros) \n" +

                                "FROM practica group by id_actividad;\n" +

                                        "\n" +

                                    "UPDATE actividad\n" +

                                    "    INNER JOIN tmpMaximos\n" +

                                    "       ON actividad.id_actividad = tmpMaximos.id\n" +

                                    "    SET actividad.Max_act= tmpMaximos.maximo");

          } catch (SQLException ex) {

        Logger.getLogger(UA_resumen.class.getName()).log(Level.SEVERE, null, ex);

}