Oracle 11g Implementation CREATE TABLE partitions on a monthly basis ____oracle

CREATE TABLE T_dd_for_ccbprotocol
(
  ID number           () not NULL,
  Id_person    VARCHAR2 is not NULL,
  CONTRACT_NBR VARCHAR2 () not NULL,
  Request_date date not NULL,
  CDATE        Date default sysdate,
  EDATE        Date default sysdate,
  CREATOR      VARCHAR2 (+) Default ' system ',
  EDITOR       VARCHAR2 (+) Default ' system ',
  DESCRIPTION  VARCHAR2 (4000)
)
PARTITION by RANGE ( request_date)  
INTERVAL (numtoyminterval (1, ' MONTH '))  
(  
  PARTITION P1 VALUES less THAN (' 2016-10-01 ', ' yyyy-mm-dd '))  
;

Due to the large amount of data, in order to improve the data query, it is based on the monthly automatic zoning, the above 2016-10-01 data will be placed in the P1, after the monthly automatically create partitions.