SQL & PL/SQL :: Procedure To Rebuild Partitioned Indexes
Oct 3, 2012
I have a task to create a procedure that disables (particular) partitioned indexes and REBUILD after ETL load.
Developers wants 3 parameters for the procedure:
1) TABLE_OWNER2) TABLE_NAME3) TRANSACTION_DATE = 13-JUN-12
And here is what I have done. I have created a procedure that takes 3 input parameters, please see the attached script:
1) TABLE_OWNER 2) TABLE_NAME 3) PARTITION_NAME - requires to query the particular partition to get the partition name
a situation where they will input dates as the partition was on a DATE column, now my challenge is how to incorporate this into the procedure to accept DATE as an input which will require one to query the particular table to get dates.I thought of using (HIGH_VALUE - 1) to get the dates from ALL_IND_PARTITIONS.
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Sep 10, 2012
RDBMS - 11.1.0.7, I it possible to convert indexes of a non-partitioned table to hash partitioned indexes by retaining table as non-partitioned?
If yes, is this what it is Creating a Hash-Partitioned Global Index - can be created for partitioned and non-partitioned tables?
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Jan 29, 2013
2day i was dropping few unwanted index from the data base, By mistake i removed the local partitioned index , So i want to recreate that index.i create the index, will the partitioned index updates when we add partitioned to the tables.
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Jul 31, 2013
How can i check that indexes need rebuild?
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Jan 30, 2010
How to find indexes which are eligible to rebuild in the database environment? Is there any query to find it?
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Mar 6, 2013
I have one control table as below.I want to rebuild all indexes for the tables in control table.
The control table is having the following data.
SEQ_IDTABLENAME SCHEMA_NAME
1GEDIS_ORDER_FORM_STATES ALL
2GEDIS_NOTES ALL
3GEDIS_CARD_TYPE_AUDIT APRT
4FAX_HEADER OMS
In the control_table schema_name "ALL" means this is for 30 schemas(The table is existed in 30 schemas).Except for schema_name "ALL" ,the table is existed in the particular schema(The table is existed in the only one schema).
I tried the following code it is executing for all 30 schemas(ALL).But it is not executing for specific schemas.
CREATE OR REPLACE PROCEDURE Rebuilding_index
IS
l_sql VARCHAR2(4000);
CURSOR cur_tab_schema
IS
SELECT tablename,schema_name
FROM control_table3;
[code]....
This contains the 30 schema names.
SELECT owner_name FROM global_bu_mapping;
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Sep 7, 2011
i am having some indexes upto size of 40gb, i need to rebuild them having only 15 temp tablespace and without downtime
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Feb 22, 2013
Using Oracle 11.2.0.3
We are evaluating partition strategies with view to achieving performance gains in reporting in particular. How efficient are partitioned indexes in this regard e.g.
just partitioned indexes on an un partitioned table.
One large fact table with durrogate keys on which have bitmpa indexes which link to unique key in associated dimensions. Considering partitioning the bitmap index which links to the largest dimension and similarly partition the dimension key on largest dimension.
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Jan 11, 2013
I'm trying to find a way to ADD new partitions to local indexes and at the same time specify their tablespaces without having to DROP and RECREATE.
Here´s an example table based on yearly partitioning:
CREATE TABLE "TABL_ANOM"
(
ANOM_TS TIMESTAMP(6) NOT NULL
, ANOM_TIPO NUMBER(2, 0) NOT NULL
, ANOM_NIVEL NUMBER(2, 0) NOT NULL
, ANOM_ID NUMBER(10, 0) NOT NULL
[code]...
Here´s an index def for the table:
CREATE INDEX "TABL_ANOM_INDEX1" ON "TABL_ANOM" ("ANOM_NIVEL") LOCAL
(PARTITION DGSCOPSX_2011 TABLESPACE DGSCOPSX_2011
,PARTITION DGSCOPSX_2012 TABLESPACE DGSCOPSX_2012
)
OK. Now I want to add partitions for 2013 so for the table I use:
ALTER TABLE TABL_ANOM ADD
PARTITION DGSCOPS_2013 VALUES LESS THAN (TO_DATE('2014-01-01 00:00:00','YYYY-MM-DD HH24:MI:SS')) TABLESPACE DGSCOPS_2013;
and this works fine for the table but I can't find a similar command to simply add additional partitions to the indexes. I know that I can drop and recreate the indexes with the additional partition defs but on some of my tables, I'm dealing with hundreds of millions of rows and I think it would take way too long to drop and recreate all indexes on all partitions.
Also related is the PRIMARY KEY index partitions. Is there a way to add partitions (specifying the tablespaces) without having to DROP and re-ADD the CONSTRAINT with the additional partition for 2013?
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Feb 4, 2005
16:28:32 SQL> create bitmap index bp_idx_ag_id on transactions(type);
create bitmap index bp_idx_ag_id on transactions(type)
*
ERROR at line 1:ORA-25122: Only LOCAL bitmap indexes are permitted on partitioned tables
how to create bitmap index on partitiioned tables
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Jan 10, 2011
What is the difference between index rebuild and index rebuild online.
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Nov 1, 2012
what is the best way to partitioned a non-partitioned table to partitioned table date wise? I have data from last four year?
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Feb 7, 2013
--this for txn details
CREATE TABLE txn_det(
txnid NUMBER PRIMARY KEY,
amount NUMBER,
status varchar2(50),
cust_id NUMBER);
----this for customer details
CREATE TABLE cust_det(
cust_id NUMBER PRIMARY KEY,
cust_name VARCHAR2(50),
cust_acc number(15));
--data to insert for customer table
INSERT INTO cust_det VALUES(101,'Miller','12345');
INSERT INTO cust_det VALUES(201,'Scott','45678');
----data to insert for txn table
INSERT INTO txn_det VALUES('tx0045',123.00,'success',101);
INSERT INTO txn_det VALUES('tx0046',4512.50,'success',101);
insert into txn_det values('tx0049',78.12,'success',101);
INSERT INTO txn_det VALUES('tx0055',123.12,'success',201);
Now THE problem IS cust_det TABLE's cust_id coulmn may contain duplicate.So I thought OF adding THE txn_id COLUMN TO THE cust_det table but I know that encourgaes redundancy.
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Apr 11, 2011
I need to Analyze and Rebuild the indexes with a script at once for a schema.
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May 28, 2012
Below Table Index are rebuild,This table are relation with sys user or not?after rebuild index, getting error in alert log file
ORA-00600: internal error code, arguments: [psdnop-1], [1410], [], [], [], [], [], [], [], [], [], []
ORA-01410: invalid ROWID
when trying to select * from dba_network_acls getting error massage Rowid invalid
ALTER INDEX CTXSYS.SYS_C003684 REBUILD;
ALTER INDEX CTXSYS.SYS_C003683 REBUILD;
ALTER INDEX CTXSYS.SYS_C003682 REBUILD;
ALTER INDEX CTXSYS.SYS_C003681 REBUILD;
[code]...
It is possible to recreate this index again.......
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Nov 11, 2011
I ran below query and got the indexes to be rebuild:
SELECT (CASE
WHEN b.partitioned = 'NO'
THEN 'alter index '
|| b.owner
|| '.'
|| b.index_name
|| ' rebuild online; '
--|| b.initial_extent
[code]....
Why the fragmented size is not reducing.
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Nov 15, 2012
oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - 64bit Production
PL/SQL Release 11.1.0.6.0 - Production
"CORE 11.1.0.6.0 Production"
I have a procedure that is run weekly to load the data, for which it calls another procedure. This weekly procedure, disables the index, load the data, and rebuilds the index. During rebuilding of index, its giving ORA-00054: resource busy and acquire with NOWAIT error. I dont have privileges to look for session id, and kill the session. How to avoid this error.
create or replace
PROCEDURE "WCL_WEEKLY_UPLOAD" (
p_event_id IN NUMBER
)
[code]....
As you can see, after the procedure wc_upload, COMMIT is issued, and then the rebuilding of the index is starting. So dont know what is causing the table to lock.
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Nov 20, 2012
Index with following PARTITIONS. Index rebuild is extremely slow. Below 2 Alter index ..rebuild... took 10 hours to complete. Because of this queries which based on this index are really slow.
SYS@DB AS SYSDBA> select partition_name,tablespace_name,bytes/1024 KB from dba_segments where segment_name='KSTN';
PARTITION_NAME TABLESPACE_NAME KB
------------------------------ ------------------------------ ----------
REB_IDX_1 TS_REB 64
REB_IDX_2 TS_REB 64
REB_IDX_3 INDEX 64
REB_IDX_4 TS_REB 64
[code]....
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May 26, 2012
Oracle 11.1 version
Oracle sys Index rebuild list
CTXSYS
EXFSYS
FLOWS_030000
FLOWS_FILES
MDSYS
OLAPSYS
ORDSYS
OWBSYS
SI_INFORMTN_SCHEMA
TSMSYS
WKSYS
MDSYS
After rebuild above index im getting error while inserting,update,delete table rows
Error like 'INVALID ROWID'
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Jan 27, 2011
I was comparing cost of rebuild vs create index...I carried out the following test
SQL> create table t4 as select * from t1;
Table created.
SQL> create table t5 as select * from t1 where 1=2;
Table created.
SQL> create index i5 on t5(id);
Index created. SQL> select bytes,extents,blocks from user_segments where segment_name='I5';
BYTES EXTENTS BLOCKS
---------- ---------- ----------
65536 1 8
SQL> alter index i5 unusable;
Index altered.
SQL> alter table t5 nologging;
Table altered.
SQL> Alter session set skip_unusable_indexes=True;
Session altered.
SQL> insert /*+ append */ into t5 select * from t1;
563904 rows created.
SQL> commit;
Commit complete.
Now I compared the cost (elapsed time, logical I/O) of the operations
create index i4 on t4(id);
Vs
alter index i5 rebuild online;
Following is the related trace of above 2 steps
create index i4 on t4(id)
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.00 0.00 0 1 0 0
Execute 1 1.17 3.38 9497 7869 335 0
Fetch 0 0.00 0.00 0 0 0 0
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 2 1.17 3.38 9497 7870 335 0
Misses in library cache during parse: 1
Optimizer goal: CHOOSE
Parsing user id: 5
[code]....
So which option we shall pick in such cases? {Of course I haven't set 'nologging' for the indices but it is same for both indices we are comparing}
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Oct 23, 2012
We are on Oracle 10.2.0.4 on Solaris 10. There is a table in my production db that has 872944 number of rows. Most of its data is now unnecessary, we need to retain, based on a date column in the table just last one month's data and delete rest of the data. So after that the table will have just 3000 rows.
However as the table was huge earlier(872k rows prior to delete) , does the delete of data release its oracle blocks and does the size of the table reduce? If not, will it rebuild the table online (online redefinition) so that the query that does a full scan on this table goes faster?
I checked using an example table that just delete of data does not remove the oracle blocks - they remain in the user_tables for that table and cost of full table scan remains same. We have a query that does the full table scan so I am thinking that after this delete I should do an online table re-definition , is that the right decision?
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May 27, 2012
In which condition it is required to rebuild the index and how can identified it?
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Jan 17, 2012
The best way to rebuild index and table and also give the reason as why we need to use this method?
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Dec 30, 2010
We have large tables 60-70 GB having 120 million records. We have to perform index rebuild frequently which takes significant time to complete and effects database performance too. how we can use index Coalesce? what are its benefits, coalesce results in performance gain?
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Apr 26, 2011
We have separate tablespaces for Tables and Indexes. Also Temp is in different temporary tablespace and UNDO also in UNDO tablespace and Index tablespace contains only Indexes. The tablespace usage for tables is 80% and Index is 91%.There is not enough disk space to allocate for the datafile on our system. I ran a rebuild on one of the Index but now notice the Index tablespace is 98% used soon after the rebuild finished.
How can i free up space for Index tablespace and why does the size of Index tablespace increased after the rebuild.
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Apr 23, 2012
I am rebuilding some UNUSABLE local index partitions on Oracle 8.1.7.4.0 (64bit) database . The platform is a HPUX machine.
The DDL of the partition table/indexes:
=========================
CREATE TABLE TESTME
( INST_NO CHAR(3) NOT NULL,
ACCT_NO CHAR(16) NOT NULL,
REC_NO CHAR(9) NOT NULL,
TRAN_TYPE CHAR(2) DEFAULT ' ',
STAT CHAR(2) DEFAULT ' ',
[code]...
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Oct 29, 2010
Our database size is 100GB and i removed few records from a table and rebuild the index.The size of Index reduced considerably after Index rebuild but now i see our database size increased to 115GB.I know online rebuild creates second index which is also removed after the build is finished then why the increase in database size?Is there a way so it shows up more space ?
select sum(bytes) from dba_segments where owner='abc' and segment_name='abc_index_1';
8GB
ALTER INDEX abc_index_1 REBUILD ONLINE ;
select sum(bytes) from dba_segments where owner='abc' and segment_name='abc_index_1';
2GB
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Mar 26, 2012
How to verify if rebuild an index is required in database.
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Jan 2, 2013
I would like to ask about indexes in partitioned tables.I have indexes on a partitioned table, it is partitioned by range method i.e based on Creation date time.All select queries sent to the table use the Creation date time. I have an index on Creation date time.Here is an example:
SELECT col1, col2, col3
FROM table1 where
date_time BETWEEN TO_DATE ('20120117 10:00:00','YYYYMMDD HH24:MI:SS')
AND TO_DATE ('20120117 13:00:00','YYYYMMDD HH24:MI:SS')
AND frmt_name = 'XXXX'
AND sender = 'YYYYY'
AND nature = 'ZZZZ'
AND type LIKE '548'
ORDER BY date_time
WHERE ROWNUM <= 5000
[code]....
do I have to add DATE_TIME to all indexes (IX_NAME_FORMAT_TYPE,IX_CCY) or not?
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Jan 8, 2013
How to know weather table is partitioned or not ? Is there any data dictionary view to know the information about the Partitioned type,keys on table ?
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