Oracle 11G DBMS_REDEFINITION修改表数据类型

SYS@honor1 > SET LONG 999999
SYS@honor1 > SELECT DBMS_METADATA.GET_DDL('TABLE','TEST_REDE','HR') FROM DUAL;
CREATE TABLE "HR"."TEST_REDE"
  (    "OWNER" VARCHAR2(30),
       "OBJECT_NAME" VARCHAR2(128),
       "SUBOBJECT_NAME" VARCHAR2(30),
       "OBJECT_ID" VARCHAR2(20),
       "DATA_OBJECT_ID" NUMBER,
       "OBJECT_TYPE" VARCHAR2(19),
       "CREATED" DATE,
       "LAST_DDL_TIME" DATE,
       "TIMESTAMP" VARCHAR2(19),
       "STATUS" VARCHAR2(7),
       "TEMPORARY" VARCHAR2(1),
       "GENERATED" VARCHAR2(1),
       "SECONDARY" VARCHAR2(1),
       "NAMESPACE" NUMBER,
       "EDITION_NAME" VARCHAR2(30)
  ) 
 TABLESPACE "USERS";