oracle分区交换

--建表

create table A_TT
(
  A VARCHAR2(10),
  B DATE
)
partition by range (A)
(
  partition PART_1 values less than ('10')
    tablespace SMCRPT_HOME
    pctfree 10
    initrans 1
    maxtrans 255
    storage
    (
      initial 80K
      next 1M
      minextents 1
      maxextents unlimited
    ),
  partition PART_2 values less than ('20')
    tablespace SMCRPT_HOME
    pctfree 10
    initrans 1
    maxtrans 255
    storage
    (
      initial 80K
      next 1M
      minextents 1
      maxextents unlimited
    )
    }
    ;

 

create table A_BB

(
  A VARCHAR2(10),
  B DATE
);

 

 

--存储过程中组装分区交互执行语句
v_SQL := 'ALTER TABLE ' || v_ToTblName ||
              ' Exchange SUBPARTITION '|| sSubParitionName ||
              ' WITH TABLE ' || v_InTblName ||
              ' INCLUDING  INDEXES  WITHOUT VALIDATION';
EXECUTE IMMEDIATE v_SQL;

--将a_bb表中的信息与a_tt表中的信息进行分区交互，指定分区是a_tt表中的PART_1分区
alter table  a_TT Exchange PARTITION PART_1 WITH TABLE  a_BB INCLUDING  INDEXES  WITHOUT VALIDATION;

 

--创建数据
INSERT INTO A_BB (A)
SELECT OBJECT_ID FROM ALL_OBJECTS

SELECT COUNT(1) FROM A_BB
INSERT /*+ APEEND */ INTO A_BB
SELECT * FROM A_BB

 

INSERT   INTO a_tt
SELECT * FROM A_BB

--查看结果
select t.*, t.rowid from a_tt PARTITION(PART_1) t ; --分区