--查看索引
select　*  from DBA_IND_PARTITIONS ｔ;
select status,t.* from dba_indexes t where t.OWNER='GANSUSC';

select count(*)　from　ACT_HI_VARINST

SELECT 'ALTER INDEX ' || TABLE_OWNER || '.' || INDEX_NAME || ' UNUSABLE;' UNUSABLE_INDEX
FROM ALL_INDEXES

alter index ACT_IDX_HI_PRO_INST_END rebuild tablespace TBS_XQGL;

--建设和其他表一样的表
create table act_hi_varinst170103 as select * from act_hi_varinst;

--清理表
truncate table act_hi_varinst;
select * from act_hi_varinst\

--往表灌数据
insert into act_hi_varinst select * from act_hi_varinst170103;
select * from act
select table_name, partition_name
  from user_tab_partitions
 where table_name = 'ACT_HI_VARINST';

--删除表

drop table act_hi_varinst ;

--表分区建表

create table ACT_HI_VARINST (
  id_                NVARCHAR2(64) not null,
  proc_inst_id_      NVARCHAR2(64),
  execution_id_      NVARCHAR2(64),
  task_id_           NVARCHAR2(64),
  name_              NVARCHAR2(255) not null,
  var_type_          NVARCHAR2(100),
  rev_               INTEGER,
  bytearray_id_      NVARCHAR2(64),
  double_            NUMBER(*,10),
  long_              NUMBER(19),
  text_              NVARCHAR2(2000),
  text2_             NVARCHAR2(2000),
  create_time_       TIMESTAMP(6),
  last_updated_time_ TIMESTAMP(6)
) partition by range(create_time_)
 interval (numtodsinterval(1,'day'))
 (
  partition create_time_ values less than (to_date('2016-01-01','yyyy-mm-dd'))
 );
 
 
 --查看表分区
 select table_name,partition_name from user_tab_partitions where table_name='ACT_HI_VARINST';