How to recreate the AWR Repository ?
Last week, I have checked the sysaux tablespace and it was growing abnormally. I have checked the v$sysaux_occupants and AWR repository having 23 GB. Our AWR retention period is 60 days, but AWR...
View Article1/20/2012 - Announced Oracle SCN bug in 11G may cause db's to become unstable...
1/20/2012 - Announced Oracle SCN bug in 11G may cause db's to become unstable and unrecoverable. Some issues in older Db's, but not as severe.ISSUE Details:While taking Manual physical hot back ,SCN...
View ArticleHow Dell Migrated from SUSE Linux to Oracle Linux
Today I saw the nice article in www.oracle.com . I would like to share with you all.From this article:In June of 2010, Dell made the decision to migrate 1,700 systems from SUSE Linux to Oracle Linux,...
View ArticleOracle table fragmentation causing performance issue
Issue Description:Recently i had faced, one of the jobs is running very slow in production. Due to this delay another job also accessing the same objects and it’s causing blocking locks on database.1....
View ArticleOracle AWR report generate privileges
Recently I got one request. Performance team member requested the privileges to generate the AWR and ADDM report.I have provided the below privileges to PERFUSR.Privileges:GRANT SELECT ON...
View ArticleORA-00406: COMPATIBLE parameter needs to be 10.0.0.0.0 or greater
Recently I was worked on UAT Database migration from one server to another new server. Once I got a request I have checked the space requirements and other checklist details on new server also. I felt...
View Articleopatch util Cleanup or how to cleanup the oracle home
I have faced several times Oracle Home size seems to be very high. I cleaned some unnecessary trace/log files in OH under $ORACLE_HOME/dbs. Few times due to old patch can occupied the lot of spaces in...
View ArticleDrop Database in oracle 9i,10g/11g or How to remove/drop/decommission a...
How to remove/drop/decommission a oracle 9i & 10g database? Up to oracle 9i, we need to manually cleanup the database physical files on OS level. It is very difficult to clean up and may be a...
View ArticleVersion parameter in oracle expdp and impdp
Data migration using expdp/impdp without any version conflict I am frequently getting data migration from one database to another database across all the oracle/OS platform version.Whenever we are...
View ArticleHow to apply PSU patch and Prerequiste details?
PSU112 – PSU patch on 11.1.0.7 Download the respective patch from www.oracle.metalink.com . Unzip the patch software and its having Readme.htm file. Please go through the Readme.htm file and follow...
View ArticleCan we rebuild the Oracle BITMAP index using REBUILD ONLINE option?
Recently development team come up with new plan for index rebuild maintenance activity using their job for index rebuild instead of DBA manually running...What their code will do?Create the procedure...
View Article“ORA-12829: Deadlock - itls occupied by siblings at block 456123 of file 506”
I have got the below error.“ORA-12829: Deadlock - itls occupied by siblings at block 456123 of file 506”I have checked few sites ...ORA-12829: Deadlock - itls occupied by siblings at block string of...
View ArticleVersion parameter in oracle expdp and impdp - Part II
Recently I wrote the article "Version parameter in oracle expdp and impdp"KannanDreams asked the below question..Will this issue occur even when we migrate the data from Oracle 11.2.0 to 11.1.0 ?Thank...
View ArticleWhy my indexes not being imported using impdp?
Last week I have faced the fragmentation issue.I did below steps and know while import, impdp will create the indexes very fast compare as Manual index creation.Steps:1. Export the table2. Truncate the...
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Standby Statspack Installation on oracle 11g database
Recently I triedgenerate the AWR report for particular timeframe on ACTIVE Data Guard database, ran the awrrpt.sql and it was failed. After that only I knew oracle doesn’t support the AWR/Statspack on...
View ArticleERROR OGG-01038 Oracle GoldenGate Capture for Oracle, extract_rpm.prm: Cannot...
Recently i did some test case on my desktop regarding Goldengate backout planchange details:1. Databases are replicated using Goldengate2. Create the some tables/indexes both source/target3....
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Database cloning using physical dataguard database data
Normally everyone have done several database cloning, this one is somewhat different and new approach I have followed based on the necessity. I would like to share with you all.Database...
View ArticleStreams capture: waiting for archive log - Wait Event #2
I have found “Streams capture: waiting for archive log” wait event in AWR report.Streams capture: waiting for archive logEventWaits%Time -outsTotal Wait Time (s)Avg wait (ms)Waits /txnStreams capture:...
View Articlehow to add a column in goldengate?
How to add a column on table which is on GoldenGate replication ? Replication type : unidirectional High level Steps:· Stop the GG on both source and target databases· Check the invalid...
View ArticleTime to celebrate - Aug 2012 :-)
My blogs visitor’s hits crossed 1,50,000 and just want to celebrate this moment.Last year August we have crossed 50,000 viewers for 3 years (May 2008 to August 2011). With in a year 1,00,000 viewers...
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