Here is a demo of moving a partition of the BALANCES table in the BALANCES schema to a separate Schema (ARCH), Tablespace (ARCHIVAL) and Table (BALANCES_ARCH).
SQL> connect hemant/hemant
Connected.
SQL> -- drop users
SQL> drop user BALANCES cascade;
User dropped.
SQL> drop user ARCH cascade;
User dropped.
SQL> -- set target file dest
SQL> alter system set db_create_file_dest='/tmp/';
System altered.
SQL>
SQL> -- create tablespaces
SQL> drop tablespace balances including contents and datafiles;
Tablespace dropped.
SQL> create tablespace balances ;
Tablespace created.
SQL>
SQL> drop tablespace archival including contents and datafiles;
Tablespace dropped.
SQL> create tablespace archival ;
Tablespace created.
SQL>
SQL> -- create users
SQL> drop user BALANCES cascade;
drop user BALANCES cascade
*
ERROR at line 1:
ORA-01918: user 'BALANCES' does not exist
SQL> create user BALANCES identified by BALANCES default tablespace balances;
User created.
SQL> grant create session to BALANCES;
Grant succeeded.
SQL> alter user BALANCES quota unlimited on balances;
User altered.
SQL> alter user BALANCES quota unlimited on archival;
User altered.
SQL> grant create table to BALANCES;
Grant succeeded.
SQL>
SQL> drop user ARCH cascade;
drop user ARCH cascade
*
ERROR at line 1:
ORA-01918: user 'ARCH' does not exist
SQL> create user ARCH identified by ARCH default tablespace archival;
User created.
SQL> grant create session to ARCH;
Grant succeeded.
SQL> alter user ARCH quota unlimited on archival;
User altered.
SQL> alter user ARCH quota unlimited on balances;
User altered.
SQL> grant create table to ARCH;
Grant succeeded.
SQL>
SQL> -- rem create source table
SQL> connect BALANCES/BALANCES
Connected.
SQL> create table BALANCES
2 (branch_code varchar2(5),
3 account_number number,
4 fiscal_year number,
5 accounting_period number,
6 balance number)
7 partition by range (branch_code, fiscal_year, accounting_period)
8 (partition ABC_2012_1 values less than ('ABC',2012,2),
9 partition ABC_2012_2 values less than ('ABC',2012,3),
10 partition ABC_2012_3 values less than ('ABC',2012,4),
11 partition ABC_2012_4 values less than ('ABC',2012,5),
12 partition ABC_2012_5 values less than ('ABC',2012,6),
13 partition ABC_2012_6 values less than ('ABC',2012,7),
14 partition XYZ_2012_1 values less than ('XYZ',2012,2),
15 partition XYZ_2012_2 values less than ('XYZ',2012,3),
16 partition XYZ_2012_3 values less than ('XYZ',2012,4),
17 partition XYZ_2012_4 values less than ('XYZ',2012,5),
18 partition XYZ_2012_5 values less than ('XYZ',2012,6),
19 partition XYZ_2012_6 values less than ('XYZ',2012,7)
20 )
21 tablespace balances;
Table created.
SQL> create index BALANCES_NDX on
2 BALANCES(BRANCH_CODE, ACCOUNT_NUMBER, FISCAL_YEAR, ACCOUNTING_PERIOD)
3 LOCAL;
Index created.
SQL>
SQL>
SQL>
SQL> --- rem create target archival table
SQL> connect ARCH/ARCH
Connected.
SQL> create table BALANCES_ARCH
2 (branch_code varchar2(5),
3 account_number number,
4 fiscal_year number,
5 accounting_period number,
6 balance number)
7 partition by range (branch_code, fiscal_year, accounting_period)
8 (partition ABC_2012_1 values less than ('ABC',2012,2),
9 partition ABC_2012_2 values less than ('ABC',2012,3),
10 partition ABC_2012_3 values less than ('ABC',2012,4),
11 partition ABC_2012_4 values less than ('ABC',2012,5),
12 partition ABC_2012_5 values less than ('ABC',2012,6),
13 partition ABC_2012_6 values less than ('ABC',2012,7),
14 partition XYZ_2012_1 values less than ('XYZ',2012,2),
15 partition XYZ_2012_2 values less than ('XYZ',2012,3),
16 partition XYZ_2012_3 values less than ('XYZ',2012,4),
17 partition XYZ_2012_4 values less than ('XYZ',2012,5),
18 partition XYZ_2012_5 values less than ('XYZ',2012,6),
19 partition XYZ_2012_6 values less than ('XYZ',2012,7)
20 )
21 tablespace archival;
Table created.
SQL> create index BALANCES_ARCH_NDX on
2 BALANCES_ARCH(BRANCH_CODE, ACCOUNT_NUMBER, FISCAL_YEAR, ACCOUNTING_PERIOD)
3 LOCAL;
Index created.
SQL>
SQL>
SQL> -- insert data into source
SQL> connect BALANCES/BALANCES
Connected.
SQL> insert into balances
2 select decode(mod(rownum,2),0,'ABC',1,'XYZ'),rownum,2012,1,1000
3 from dual
4 connect by level < 10
5 /
9 rows created.
SQL> insert into balances
2 select decode(mod(rownum,2),0,'ABC',1,'XYZ'),rownum,2012,2,2000
3 from dual
4 connect by level < 10
5 /
9 rows created.
SQL> insert into balances
2 select decode(mod(rownum,2),0,'ABC',1,'XYZ'),rownum,2012,3,3000
3 from dual
4 connect by level < 10
5 /
9 rows created.
SQL>
SQL> commit;
Commit complete.
SQL>
SQL> REM REM REM
SQL> -- select branch_code, account_number, fiscal_year, accounting_period, count(*)
SQL> -- from balances
SQL> -- group by
SQL> -- branch_code, account_number, fiscal_year, accounting_period
SQL> -- order by 1,2,3,4
SQL> -- /
SQL> REM REM REM
SQL>
SQL> -- create intermediate table with index
SQL> connect BALANCES/BALANCES
Connected.
SQL> create table balances_exch_tbl tablespace balances as select * from balances where 1=2;
Table created.
SQL> create index balances_exch_tbl_ndx on balances_exch_tbl(branch_code, account_number, fiscal_year, accounting_period)
2 tablespace balances;
Index created.
SQL> grant select, alter on balances_exch_tbl to ARCH;
Grant succeeded.
SQL>
SQL> -- verify row counts in source and archival partitions
SQL> connect BALANCES/BALANCES
Connected.
SQL> select count(*) from BALANCES partition (ABC_2012_1);
COUNT(*)
----------
4
SQL> connect ARCH/ARCH
Connected.
SQL> select count(*) from BALANCES_ARCH partition (ABC_2012_1);
COUNT(*)
----------
0
SQL>
SQL> -- exchange for account_period 1 for ABC
SQL> connect BALANCES/BALANCES
Connected.
SQL> alter table BALANCES exchange partition ABC_2012_1 with table balances_exch_tbl including indexes without validation;
Table altered.
SQL> connect ARCH/ARCH
Connected.
SQL> alter table BALANCES_ARCH exchange partition ABC_2012_1 with table balances.balances_exch_tbl including indexes without validation;
Table altered.
SQL> alter table BALANCES_ARCH move partition ABC_2012_1 tablespace archival;
Table altered.
SQL> connect BALANCES/BALANCES
Connected.
SQL> alter table balances_exch_tbl move tablespace balances;
Table altered.
SQL> alter index balances_exch_tbl_ndx rebuild tablespace balances;
Index altered.
SQL>
SQL>
SQL> -- verify row counts in source and archival partitions
SQL> connect BALANCES/BALANCES
Connected.
SQL> select count(*) from BALANCES partition (ABC_2012_1);
COUNT(*)
----------
0
SQL> connect ARCH/ARCH
Connected.
SQL> select count(*) from BALANCES_ARCH partition (ABC_2012_1);
COUNT(*)
----------
4
SQL>
SQL> -- query for segment tablespaces
SQL> connect hemant/hemant
Connected.
SQL> select owner, segment_name, segment_type, partition_name, tablespace_name
2 from dba_segments
3 where segment_name like 'BALANC%'
4 order by 1,2,3,4
5 /
OWNER SEGMENT_NAME SEGMENT_TYPE PARTITION_NAME TABLESPACE_NAME
---------- --------------------- ---------------- --------------------- ---------------------
ARCH BALANCES_ARCH TABLE PARTITION ABC_2012_1 ARCHIVAL
ARCH BALANCES_ARCH TABLE PARTITION ABC_2012_2 ARCHIVAL
ARCH BALANCES_ARCH TABLE PARTITION ABC_2012_3 ARCHIVAL
ARCH BALANCES_ARCH TABLE PARTITION ABC_2012_4 ARCHIVAL
ARCH BALANCES_ARCH TABLE PARTITION ABC_2012_5 ARCHIVAL
ARCH BALANCES_ARCH TABLE PARTITION ABC_2012_6 ARCHIVAL
ARCH BALANCES_ARCH TABLE PARTITION XYZ_2012_1 ARCHIVAL
ARCH BALANCES_ARCH TABLE PARTITION XYZ_2012_2 ARCHIVAL
ARCH BALANCES_ARCH TABLE PARTITION XYZ_2012_3 ARCHIVAL
ARCH BALANCES_ARCH TABLE PARTITION XYZ_2012_4 ARCHIVAL
ARCH BALANCES_ARCH TABLE PARTITION XYZ_2012_5 ARCHIVAL
ARCH BALANCES_ARCH TABLE PARTITION XYZ_2012_6 ARCHIVAL
ARCH BALANCES_ARCH_NDX INDEX PARTITION ABC_2012_2 ARCHIVAL
ARCH BALANCES_ARCH_NDX INDEX PARTITION ABC_2012_3 ARCHIVAL
ARCH BALANCES_ARCH_NDX INDEX PARTITION ABC_2012_4 ARCHIVAL
ARCH BALANCES_ARCH_NDX INDEX PARTITION ABC_2012_5 ARCHIVAL
ARCH BALANCES_ARCH_NDX INDEX PARTITION ABC_2012_6 ARCHIVAL
ARCH BALANCES_ARCH_NDX INDEX PARTITION XYZ_2012_1 ARCHIVAL
ARCH BALANCES_ARCH_NDX INDEX PARTITION XYZ_2012_2 ARCHIVAL
ARCH BALANCES_ARCH_NDX INDEX PARTITION XYZ_2012_3 ARCHIVAL
ARCH BALANCES_ARCH_NDX INDEX PARTITION XYZ_2012_4 ARCHIVAL
ARCH BALANCES_ARCH_NDX INDEX PARTITION XYZ_2012_5 ARCHIVAL
ARCH BALANCES_ARCH_NDX INDEX PARTITION XYZ_2012_6 ARCHIVAL
BALANCES BALANCES TABLE PARTITION ABC_2012_1 BALANCES
BALANCES BALANCES TABLE PARTITION ABC_2012_2 BALANCES
BALANCES BALANCES TABLE PARTITION ABC_2012_3 BALANCES
BALANCES BALANCES TABLE PARTITION ABC_2012_4 BALANCES
BALANCES BALANCES TABLE PARTITION ABC_2012_5 BALANCES
BALANCES BALANCES TABLE PARTITION ABC_2012_6 BALANCES
BALANCES BALANCES TABLE PARTITION XYZ_2012_1 BALANCES
BALANCES BALANCES TABLE PARTITION XYZ_2012_2 BALANCES
BALANCES BALANCES TABLE PARTITION XYZ_2012_3 BALANCES
BALANCES BALANCES TABLE PARTITION XYZ_2012_4 BALANCES
BALANCES BALANCES TABLE PARTITION XYZ_2012_5 BALANCES
BALANCES BALANCES TABLE PARTITION XYZ_2012_6 BALANCES
BALANCES BALANCES_EXCH_TBL TABLE BALANCES
BALANCES BALANCES_EXCH_TBL_NDX INDEX BALANCES
BALANCES BALANCES_NDX INDEX PARTITION ABC_2012_1 BALANCES
BALANCES BALANCES_NDX INDEX PARTITION ABC_2012_2 BALANCES
BALANCES BALANCES_NDX INDEX PARTITION ABC_2012_3 BALANCES
BALANCES BALANCES_NDX INDEX PARTITION ABC_2012_4 BALANCES
BALANCES BALANCES_NDX INDEX PARTITION ABC_2012_5 BALANCES
BALANCES BALANCES_NDX INDEX PARTITION ABC_2012_6 BALANCES
BALANCES BALANCES_NDX INDEX PARTITION XYZ_2012_1 BALANCES
BALANCES BALANCES_NDX INDEX PARTITION XYZ_2012_2 BALANCES
BALANCES BALANCES_NDX INDEX PARTITION XYZ_2012_3 BALANCES
BALANCES BALANCES_NDX INDEX PARTITION XYZ_2012_4 BALANCES
BALANCES BALANCES_NDX INDEX PARTITION XYZ_2012_5 BALANCES
BALANCES BALANCES_NDX INDEX PARTITION XYZ_2012_6 BALANCES
49 rows selected.
SQL>
The account HEMANT is the DBA account.
BALANCES owns the Source BALANCES table in the BALANCES Tablespace.
ARCH owns the the Archival BALANCES_ARCH table in the ARCHIVAL Tablespace.
No comments:
Post a Comment