Oracle11G 在线重定义
create tablespace tbs1 datafile '/opt/oracle/oradata/haier/tbs1.dbf' size 500m autoextend on maxsize 2G;
create tablespace tbs2 datafile '/opt/oracle/oradata/haier/tbs2.dbf' size 500m autoextend on maxsize 2G;
create tablespace tbs3 datafile '/opt/oracle/oradata/haier/tbs3.dbf' size 500m autoextend on maxsize 2G;
SQL> desc HHHH
Name Null? Type
----------------------------------------- -------- ----------------------------
PNTMALL_PNT_ID NUMBER
PNTMALL_PNT_DT DATE
.......
PNTMALL_HRTYPE_DESC VARCHAR2(2000)
SQL> selectcount(*) from HHHH;
COUNT(*)
----------
16713034
alter table HHHH add constraint HHHH_PKEY primary key(PNTMALL_PNT_ID);
create table HHHH_tmp
partition by range(PNTMALL_PNT_DT)
(
partition p1 values less than (to_date('2016-01-01','yyyy-mm-dd')) tablespace tbs1,
partition p2 values less than (to_date('2017-01-01','yyyy-mm-dd')) tablespace tbs2,
partition p3 values less than (maxvalue) tablespace tbs3
)
as
select * from HHHH where 1=2;
SQL> begin
2 DBMS_REDEFINITION.START_REDEF_TABLE('BER','HHHH','HHHH_TMP');
3 end;
4 /
PL/SQL proceduresuccessfully completed
SQL> selectobject_id,object_name,object_type,status from user_objects where object_namelike '%HHH%';
OBJECT_ID OBJECT_NAME OBJECT_TYPE STATUS
------------------------------------------------------------------------------------------------------------- -------
115233 HHHH_PKEY INDEX VALID
115232 HHHH TABLE VALID
115341 HHHH_TMP TABLE PARTITION VALID
115340 HHHH_TMP TABLE PARTITION VALID
115339 HHHH_TMP TABLE PARTITION VALID
115338 HHHH_TMP TABLE VALID
115342 MLOG$_HHHH TABLE VALID
115343 RUPD$_HHHH
SQL> selectcount(*) from HHHH;
COUNT(*)
----------
16713034
SQL> selectcount(*) from HHHH_TMP;
COUNT(*)
----------
16713034
SQL> exec DBMS_REDEFINITION.COPY_TABLE_DEPENDENTS('BER','HHHH','HHHH_TMP',NUM_ERRORS => :V_ERR);
PL/SQL procedure successfully completed.
SQL> print v_err
V_ERR
----------
0
SQL> selectobject_id,object_name,object_type,status from user_objects where object_namelike '%HHH%';
OBJECT_ID OBJECT_NAME OBJECT_TYPE STATUS
------------------------------------------------------------------------------------------------------------- -------
115344 TMP$$_HHHH_PKEY0 INDEX VALID
115343 RUPD$_HHHH TABLE VALID
115342 MLOG$_HHHH TABLE VALID
115338 HHHH_TMP TABLE VALID
115339 HHHH_TMP TABLE PARTITION VALID
115340 HHHH_TMP TABLE PARTITION VALID
115341 HHHH_TMP TABLE PARTITION VALID
115232 HHHH TABLE VALID
115233 HHHH_PKEY INDEX VALID
9 rows selected
SQL> selecttable_name,index_name,status from user_indexes where table_name='HHHH_TMP';
TABLE_NAME INDEX_NAME STATUS
------------------------------------------------------------ --------
HHHH_TMP TMP$$_HHHH_PKEY0 VALID
SQL> EXECDBMS_REDEFINITION.SYNC_INTERIM_TABLE('BER','HHHH','HHHH_TMP');
PL/SQL proceduresuccessfully completed
SQL> selectobject_id,object_name,object_type,status from user_objects where object_namelike '%HHH%';
OBJECT_ID OBJECT_NAME OBJECT_TYPE STATUS
------------------------------------------------------------------------------------------------------------- -------
115338 HHHH TABLE VALID
115339 HHHH TABLE PARTITION VALID
115340 HHHH TABLE PARTITION VALID
115341 HHHH TABLE PARTITION VALID
115232 HHHH_TMP TABLE VALID
115344 HHHH_PKEY INDEX VALID
115233 TMP$$_HHHH_PKEY0 INDEX VALID
7 rows selected