Author Archive
You Don’t need SysDBA privilege to run Awrrpt..
Well I tried to Sensationalize this post by using such a heading Though I just wanted to point out that Awrrpt script can be run without sysdba privilege too. Actually if you open awrrpti.sql script , it contains following line Rem NOTES Rem Run as SYSDBA. Generally this [Read More]
ORA-1078 ORA-1565 Errors while starting database with SPFILE on ASM
I was getting following error’s while starting a database using spfile on ASM. Actually this was a cloned RAC environment. SQL> create SPFILE='+ASM_GROUP/PORTALDB/spfileportaldb.ora' from pfile; File created. SQL> shut immediate; ORA-01109: database [Read More]
OUI-67124 – Copy failed from ‘location 1′ to ‘location 2′
Just a short note to discuss a problem faced by me while applying CPU Jan patch to clusterware on AIX 5L. I was getting following errors UtilSession failed: ApplySession failed in system modification phase... 'ApplySession::apply failed: Copy failed from [Read More]
Upgrade to WordPress 2.7.1
WordPress 2.7.1 is out..While using upgrade button, it will be stuck at downloading files and will not proceed further. This issue will be faced by people using “Automatic Upgrade” plugin available in prior release. You need to disable the plugin and then re-try [Read More]
Scheduling Job through Cron??
In case you came across this link searching for Cron syntax, then you can refer to following link http://www.adminschoice.com/docs/crontab.htm Other’s can continue reading the article …. This was a problem which I faced yesterday. We had a mview refresh which [Read More]
Creating ASM devices on AIX
I thought of sharing few tips on creating ASM devices on AIX which I will be helpful to Oracle DBA’s. Suppose SysAdmin gives you list of Serial numbers for LUN instead of device Name pcmpath query device DEV#: 33 DEVICE NAME: hdisk33 TYPE: 2107900 ALGORITHM: Load [Read More]
CRS Fails to Start – 10.2.0.1 RAC Install on AIX
I was installing 10.2.0.1 on IBM AIX 5L and while running root.sh from first node (as part of Clusterware installation) got following messages Now formatting voting device: /dev/voting_disk01 Now formatting voting device: /dev/voting_disk02 Now formatting voting device: [Read More]
Input is too long (> 2499 characters) – line ignored
There are times when you observe above mentioned error while creating view and mview from mview definition taken from Toad or indexfile option. vi editor comes in handy to resolve this issue. Copy the code in Text file and while in escape mode enter following command [Read More]
Recreating Database Link
I was trying to recreate database links as part of database migration activity. This involved mixture of 8i,9i and 10g database. In case of 8i/9i it is very easy to find the old password which was used to create database link as passwords for database links are stored in [Read More]
Changes To 10g OCA Certification
People planning to appear for 10g OCA Exam will be startled to find that they need to pass additional exam to get the certificate. Starting from December 1, 2008, in addition to the existing exam (Oracle Database 10g: Administration I (1Z0-042)), candidates are also [Read More]
Index Access best approach?? Not Always…
There is a common misconception that Index access is the best access method for query execution. This approach leads to people concentrate on removing Full Table Scans (FTS) from the Query execution plan. I recently worked on a performance tuning issue where I found such [Read More]
How To Change/Restore User Password in 11G
Oracle 11g introduces Case-sensitive passwords for database authentication. Along with this if you wish to change the password (temporarily) and reset it back to old , you will find that password field in dba_users is empty. Prior to 11g we could use following technique to [Read More]
Tom Kyte Seminar in Bangalore, India
All India Oracle user Group (AIOUG) has arranged for Seminar by Tom Kyte on 18th December 2008. Venue- The Good Shepherd Auditorium Residency Road- Museum Road Junction Opp. St. Joseph’s P.U. College Bangalore – 560 025 SEMINAR TOPICS Storage Techniques [Read More]
10g RAC Tuning :Useful Link
I came across useful link which contains 10g RAC Tuning tips from Joel Goodman (Oracle). It discusses RAC Instance Recovery concepts and key things to look out for while tuning RAC (Real Application Clusters) Databases. Must watch for anyone who is learning RAC. You can [Read More]
Full Database Export Failing With ORA-00980
While trying to do a full export for 10.2.0.3 database, we were getting following errors About to export the entire database ... . exporting tablespace definitions . exporting profiles . exporting user definitions . exporting roles . exporting resource costs . exporting [Read More]
