12008 - ORA-12008 - Error In Materialized View Refresh Path ORA-01555 - Snapshot Too Old?
Jul 21, 2009
I am having problems with my procedure which is refreshing materialized views. This is the error i am getting : -12008: ORA-12008: error in materialized view refresh path
ORA-01555: snapshot too old: rollback segment number 14...
I have two database with the same procedure and the same objects. They run at the same time, however, there are times when i get the error on the other database while the other database runs the procedure without any error.
When i checked the net, they say that this error is caused by data that is old, so the solution is to make the source a predecessor of my procedure/job. But what i am thinking is that how was it possible for the other database to run it completely even if it is not yet linked as the successor of the source?
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Apr 3, 2013
One table is partitioned. Below are my steps.
********************************************************************************************************
EXECUTE Dbms_Redefinition.can_redef_table('USRTEST2','ASH_PART_EMP');
CREATE TABLE USRTEST2.ASH_PART_EMP_PART
(
EMPNO NUMBER,
NAME VARCHAR2(30 BYTE),
[code].....
>> just after this command, below error occurred.
*****************************************************************************
ORA-12008: error in materialized view refresh path
ORA-14400: inserted partition key does not map to any partition
ORA-06512: at "SYS.DBMS_REDEFINITION", line 50
ORA-06512: at "SYS.DBMS_REDEFINITION", line 1343
ORA-06512: at line 2
********************************************************************************
I am unable to UNDERSTAND, why this error is appearing? I have created new tablespace, new user, new table, then, from where this MATERIALIZED view error is coming?
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Jan 12, 2012
I have a problem regarding with Oracle Flashback Query.if I'm doing flashback a database two hours before,I'm receiving ORA-01555: snapshot too old error.My question is:How to able to extend the based on the hour or day?
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Feb 7, 2012
I have created a Table with one column in user 'Test' Database 'Test'. Then i have created a Materialized view based on the Table in 'TestMV' in same database 'Test'.working fine. But after adding one column in the table, if i go to refresh the Materialized view the following Error has occured.
ERROR at line 1:
ORA-12008: error in materialized view refresh path
ORA-00913: too many values
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 2256
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 2462
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 2431
ORA-06512: at line 2
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May 15, 2013
data pump export is very slow. For 50GB export has taken more than 24Hrs with one below error:
Database Version:11.2.0.2.0
OS: Windows server 2008 r2
Increased 10GB RAM and CPU 6 to 8 then also same issue
Error:
ORA-31693: Table data object "BNCSDB"."MS_DATA_PTORE" failed to load/unload and is being skipped due to error:
ORA-02354: error in exporting/importing data
ORA-01555: snapshot too old: rollback segment number 20 with name "_SYSSMU20_4037596720$" too small
Export log:
Export: Release 11.2.0.2.0 - Production on Tue May 14 20:03:25 2013
Copyright � 1982, 2009, Oracle and/or its affiliates. All rights reserved.
;;;
Connected to: Oracle Database 11g Release 11.2.0.2.0 - 64bit Production
Starting "SYSTEM"."SYS_EXPORT_SCHEMA_01": system/********@orcl dumpfile=BCSDB04_19.dmp logfile=BCSDB04_19.log
[code]...
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Dec 23, 2011
i am getting this error during expdp ORA-01555 -snapshot too old
1. i increased undo_retention i.e 50000
2. i execute expdp during late night when almost zero user is online so no commit from any other session.
3. we have a table having BLOB data type field in a table which is 500 GB in size.complete DB size is 700 GB
where and why this error exists.if corruption of BLOB so how to check that etc. the same error is occurring in three of our data centres during expdp.
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Sep 4, 2008
We are facing serious problem while refreshing materialized views using fast refresh option in ORACLE..For the very first time we are performing Complete refresh of data from DB1 to DB2 for few tables.Ongoing we are performing Fast Refresh.Sometimes the fast refresh works fine without any error and sometimes it fails with the below error.
ERROR at line 1:
ORA-32320: REFRESH FAST of "CIR"."C_BO_COMM" unsupported after
cointainer table
PMOPs
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 803
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 860
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 841
ORA-06512: at line 1
let me know when will this error occur during Fast Refresh.
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Jun 23, 2011
We are running a query in one of our databases using the database the link. The query fails in the middle with "ORA-01555: snapshot too old". Not sure, about the database which this error message points to? Will it be the database we have logged in or it is the database where db link points ?
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Mar 24, 2010
How to refresh the dependent materialized views in a snapshot group. It refreshes in the order we add the materialized views to snapshot group?
Here below is the scenario.
MATVW_A
CREATE MATERIALIZED VIEW MATVW_A BUILD IMMEDIATE
REFRESH FAST ON COMMIT
AS SELECT * FROM EMP;
MATVW_B
CREATE MATERIALIZED VIEW MATVW_B BUILD IMMEDIATE
REFRESH FAST ON COMMIT
AS SELECT * FROM MATVW_A;
MATVW_C
CREATE MATERIALIZED VIEW MATVW_C BUILD IMMEDIATE
REFRESH FAST ON COMMIT
AS SELECT * FROM MATVW_B;
I created a snapshotgroup SNGRP with all the above materialized views.
DBMS_REFRESH.MAKE(name => 'SNGRP',
tab => 'MATVW_A,MATVW_B,MATVW_C',
next_date => TRUNC(sysdate) + 1,
interval => 'SYSDATE + 1');
The order of refreshing the materialized views would be like first materialized view MATVW_A should get refresh then after MATVW_B,MATVW_C.
As they are dependent views.Is there anyway where we can mention the order of refreshing materialized views in snapshot group.
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Jul 7, 2008
what is the difference between materialized view and snapshot ?
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Sep 10, 2010
A scheduler job is there to refresh some materialized views. All the views are run under single job name. Some mviews are not refreshing and those are not refreshing in the next run too.if we run those mviews manually then they are working fine from then . after some days those views which i told before are not refreshing and this happens frequently and i check the job_run_details views also and i am not seeing any errors in that.
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Apr 29, 2010
I am getting the ORA-01555 Snapshot Too Old error while excecuting my procedure (which is running in OLTP system). My procedure contains one table which master table of my DB which holds 1.2 GB of data. The proc is using the MERGE statement which is inserting or updating the data in the master table, while the condition of MERGE is using the subquery in which 2 DBlink table is used (in which one table is updating quite frequently). The proc. is executing in the interval of 6 hrs i.e 4 times a day and its is scheduled in job. find the proc. as an attachment.
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May 24, 2011
I created a materialized view which takes around 6 hrs to refresh. way to reduce the refresh time.The query is:
create materialized view ERC_DAILY_DISBURSMENT_MIS_VIEW
refresh complete on demand as
with disb_qur as (select e.account_no,
e.journal_dt,
e.instr_amt disbursed_amt,
[code]....
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Jun 20, 2011
i have created a fast refresh materialized view but it is not performing fast refresh or even complete refresh.Then i have checked my materialized view capabilities then in mv_capabilities_table i got a message that materialized view log is newer than old .
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Sep 12, 2008
I have attempted to set up the materialized view below to refresh complete at the time specified below. The problem is that it does not refresh and pick up the changes to one of the base tables.
When I issue the command:
exec DBMS_REFRESH.REFRESH('TEAMSITE3.FIRMSEARCH_COWS_MV ');
the refresh works..
why this view is not refreshing at the time stated??
CREATE MATERIALIZED VIEW FIRMSEARCH_COWS_MV
REFRESH COMPLETE START WITH to_date('11-09-2008 10:00:00','dd-MM-yyyy hh24:mi:ss') NEXT (SYSDATE+1)
AS SELECT distinct spar.COW_REF
FROM LV_RECOGNISED_ATTAINMENTS lra,
LV_POSITION_IN_ORGANISATIONS rio,
[code]....
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Jun 30, 2011
how to Refresh materialized view by other user than owner.option is there to give drop any view/table grant to other user. But can't do this as it's a system privileges.
Is there any option to refresh a view without dropping the structure?
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Nov 22, 2007
Have some issue with Materialized view refresh. Have presented scenario which we have .
Schema1 :
1. Have base tables
2. Created MV logs on base tables
Schema2 :
1. Created sysnonyms for Schema1 base tables
2. created Materialized views
3. Created MV group , added views to the group
Executing the below command in schema2 :
execute dbms_refresh.refresh('MV_grp');
Error :
ORA-12048: error encountered while refreshing materialized view
"Schema2"."Table1_MV"
ORA-12018: following error encountered during code generation for
"Schema2"."Table1_MV
"ORA-00942: table or view does not exist
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 2255
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 2461
ORA-06512: at "SYS.DBMS_IREFRESH", line 683
ORA-06512: at "SYS.DBMS_REFRESH", line 195
ORA-06512: at line 1
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Jul 12, 2012
DB_VERSION=10.2.0.4
OS_VERSION=Windows 2008 R2
RAM_SIZE=32 GB
We have 2 production (OLTP) database( DB1 (18GB) and DB2 (200GB) ) on a server out of which DB2 database has almost 20 Materalized Views all (REFRESH FORCE ..ON DEMAND).
I have already informed the client that this is not the OLAP database where you are going to make use of the M Views for reporting purpose. However currently the client does not have any alternative.
Breif details :-
Out of 20 M Views 3 refresh once a week and where as the rest refresh every night daily.
We are currently testing a new website for which we had to re-schedule all M Views from their Old timings to New Timings i.e. Daily Basis.
But post re-scheduling the database performance was badly degarded as the database was too slow also the number of archives increasted to 300GB which was earlier 100 GB.To resolve the issue , we had to go back to the old timings and the database is currently working fine.
Requirement :-Client is looking out for an alternative solution as he needs to once again change the M View refresh time i.e. Daily Refresh.We already have 2 Oracle Instance on the server
Questions :-
1. Can i create another database ( sayTESTDB2 ) in no archivelog mode and create a db link to reduce the load on the server ?
2. If Yes .. Then is there any relavent link /example or Metalink Note ID for the same??
3. What all parameters do i need to consider while creating a DB Link ?
3. Out of 32 GB RAM , I have given 4GB and 8GB sga_max to DB1 and DB2 Respectively . Also the cpu utilization is normally 50-%60%.
Since currently we do not have any Licence for other server .. Can i make use of the same server ( i.e. creating 3 rd Oracle Instance )?
Since the main intention of this activity is reduce the load from the DB2 onto TESTDB when the daily refresh has set once again
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May 21, 2013
I have lots of materialized views and I want to refresh it manually every weekend (Sunday).
I tried :
SQL> refresh materialize view model_type_mv;
SP2-0734: unknown command beginning "refresh ma..." - rest of line ignored.
I am missing something?
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Jul 28, 2013
we need to create a materialized view which should do complete refresh at pre determined interval like - 6am,12pm and 4pm every day.
Is it possible to have this option in materialized view?
As of now, I could understand we can do "start with" and "next" option which will schedule refresh with same interval but not with different time interval which I mentioned above.
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Jun 4, 2011
I have created a fast refresh materialized view.now i wanted to know my materialized view how long processing for refresh.which table stores this information with syntax.
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Jun 29, 2011
i have created a fast refresh materialized view but it is not performing any refresh.Then i have checked my materialized view capabilities in mv_capabilities_table i got a message that" materialized view log is newer than last full refresh".
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Dec 22, 2005
How can i use refresh option as 1 hr in creation of materialized view, Can i use unoin all in the materialized view and other clause like CONNECT BY PRIOR .
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Feb 8, 2012
I'm trying to build up a materialized view with aggregate and FAST REFRESH for INSERT and UPDATE, DELETE with no success. But the web doesn't deny it ?
--build up needed schema objects
CREATE TABLE empt
( ename VARCHAR2(20),
empno INTEGER,
[Code]....
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Sep 10, 2013
My materialized view has to get refreshed as part of a scheduled package. When I refresh the materialized view manually using the following statement,
DBMS_MVIEW.REFRESH('info.sales_fact_load_mv', 'C');
it is working fine. However, when I use the same statement in the package which is scheduled to run every morning, it is not working. What could be the reason?
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Dec 11, 2012
i want to find out the last refresh elasped time for materialized view. i do not see last refresh elapsed time in data dictionary. i see only last refresh date in data dictionary.
how to find the last refresh elapsed time for materialized view.
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Oct 10, 2013
I've 2 tables in schema A.
1) TXN_HD_FCT (This table has 6 billion records. Has fields TXN_DT, CUST_ID, TXN_AMT, TXN_ID and the table is partitioned on TXN_DT. We load data approximately 600K+ records to this table every day
2) RELINK_CUST (This table has 2 fieds CUST_ID and NEW_CUST_ID). We load data approximatley 100-200K+ records every day into this table. This table has total 10MM+ records now.
Now i need to create a table (TXN_UPD_HDR_FCT) in Schema B by joining above 2 tables using below query every day
CREATE TABLE TXN_UPD_HDR_FCT
select a.TXN_DT,
nvl(b.new_cust_id, a.cust_id) as cust_id,
a.txn_amt,
a.txn_id,
from schema_A.TXN_HD_FCT a,
schema_A.RELINK_CUST b
where a.cust_id = b.cust_id(+);
We update CUST_ID to NEW_CUST_ID based on some rules (and keep it in the table RELINK_CUST) and need to take this new_cust_id while building the table TXN_UPD_HDR_FCT.
Building this table is taking approximately 4+ hours every day. just refresh only records from TXN_HDR_FCT whose CUST_ID is changed or any records inserted into TXN_HDR_FCT? I read about Materialized views but not sure how can i create MV logs on 2 tables? If i use materialized views do i need to create indexes every day?
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Apr 17, 2008
I created materialized view in Database B. The master table is in Database A. If i shutdown the database B and bring it up again, the next refresh time in dba_jobs tablein database A is coming as 01-jan-00. It is not getting refreshed automatically. The job_queue_process is 10. wat could be the reason, for the refresh failure.
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Jun 17, 2010
We are planning to create a materialized view on 5 tables and 2 views. After first complete refresh we want to do Fast refresh going forward and planning to create view log for base tables. Since the SQL uses two views, we can create view-log for its underlying tables. But will that work ? In case of fast refresh ? or it will still go for complete refresh ?
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Jul 18, 2013
I am trying to create a commit on refresh materialized view so that whenever I perform DML followed by commit on Master table it should get quickly reflect on my Materialized view. I have given SELECT on table privilege to user where this view will be created On Master:
GRANT SELECT ON HR.EMPLOYEES TO SCOTT. From Scott:CREATE MATERIALIZED VIEW scott.hremp REFRESH FAST ON COMMITAS SELECT * FROM HR.EMPLOYEES; ERROR at line 4:ORA-01031: insufficient privileges Then I Grant all on EMPLOYEES table to SCOTT. GRANT ALL ON hr.EMPLOYEES TO SCOTT; Then got following error while creating materilized view:SQL> CREATE MATERIALIZED VIEW scott.hremp 2 REFRESH FAST ON COMMIT 3 AS 4 SELECT * FROM HR.EMPLOYEES;SELECT * FROM HR.EMPLOYEES *ERROR at line 4:ORA-23413: table "HR"."EMPLOYEES" does not have a materialized view log I create materialized view log on Master:SQL> CREATE MATERIALIZED VIEW LOG on HR.EMPLOYEES;Materialized view log created.
Even after this I am not able to create materialized view and now getting Table not Exist error:
SQL> CREATE MATERIALIZED VIEW scott.hremp 2 REFRESH FAST ON COMMIT 3 AS 4 SELECT * FROM HR.EMPLOYEES;SELECT * FROM HR.EMPLOYEES *ERROR at line 4:ORA-12018: following error encountered during code generation for "SCOTT"."HREMP"ORA-00942: table or view does not exist. Also I want to know why I needed to GRANT ALL to HR for creating this materialized View.
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