Oracle Performance Tuning Certification

Hi Guys
I am going for 10g OCP then maybe 11g Tuning Expert Certification.
1. I look at the prerequisites of 10g Performance Tuning course:
Required Prerequisites:
* Knowledge of Database Administration
* Oracle Database 10g: Administration Workshop I Release 2
* Oracle Database 10g: Administration Workshop II
* Oracle Database 10g: New Features for Administrators Release 2
Does this mean that it is COMPULSORY that I take the 3 courses above first before I can take the Performance tuning course? This cost a lot of $$$! ; o
2. Where can I get 11gTuning Expert Certification practice questions? From the 11g Performance Tuning course? Couldn't find it in SelfTestSoftware....
Advance thanks!

user8092567 wrote:
Hi,
Exam # 1Z0-044 does not exist.
Why there is no Oracle exam for Performance Tuning for 10g?
There is one for 9i and there will be one for 11g (currently it is in beta).
Lorrys,
I guess this needs to be corrected a bit. 9i exam is a part of teh OCP track, its not an individual exam which you may clear and would be awarded an certification for it. OCE is itself is an certification track and unlikely OCP, it doesn't need multiple exams to be cleared. You just have to clear one exam and youwould be awarded teh certification. Now, about the 10g exam of PT OCE not being there and given in 11g, it should make sense as 11g is already out and there is no point in launchnig a NEW certification track for a previous version. So that's why 11g PT is launched for the newest release, which is 11g.
That said, I am not from Oracle so its just my own opinion about your comment.
HTH
Aman....

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Performance Tuning Certification for Application Developer

Hi,
Can you please advise if there is any Oracle Performance Tuning certification for an Application Developer and Oracle 9i to 10G migration certification? If yes, can you please let me know its Oracle examination number?
I have already passed 1Z0-007 and 1Z0-147 in Oct 2008.
Thanks in advance,
Sandeep Kumar

... if there is any Oracle Performance Tuning certification for an Application Developer ...There is no performance tuning related certification for application developers. There is one for the DBA track.
Also -- to answer your question in the other thread:
So to clear this certification do I need to re-appear all the 3 exams as they were given in 2008 or just 1Z0-146 is enough.Having passed 1Z0-007 and 1Z0-147, if you pass 1Z0-046, you will gain the certification: Oracle Advanced PL/SQL Developer Certified Professional

Is there any certification for oracle performance tuning..?

Hi All,
Do we have any certification for oracle performance tuning.
Let me know if it is.
Thanks,
Ritesh

See http://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=287
HTH
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Oracle Database 11g: Performance Tuning-Certification

Dear All!
I want to take exam 1z0-054 for
"Oracle Database 11g: Performance Tuning".
I've completed an Oracle authorized couse of "Oracle Database 11g: Performance Tuning DBA" in 2008,which is one of requirements to get that certificate.
Please any info regarding to expiration of complilation of courses?
If I pass 1z0-054 exam ,will the above mentioned couse considered?
And the last one, Are there possibilities to see or load the info of the couses I've completed , to my Oracle site acount.
Thanks in advance!
Best regards

Try posting this type of question in the Certification forum:
Oracle Certification Program

Performance tuning certification

can anyone comment on the value of obtaining an 11g Certified Perfomance tuning cert?
with experience , of course....
Of course, no education is wasted.
But ROI-wise, is what i am interested in getting info
thanks

Rodrigo Jorge DBA wrote:
I would go for 11g, not 12c. The 11g is an OCE certification, while the 12c is OCS. The OCE has a higher weight, as it has as prerequisites to be an OCP.
I've taken the Performance Tuning 11g as a preparation for 11g OCM (I'm still studying for this one).. and I liked a lot studying for it as I see many, many database inside features that helped to fix the concepts.
From the certification site,
Exam Number :
1Z1-064
Associated Certifications:
Oracle Certified Expert, Oracle Database 12c: Performance Management and Tuning

Oracle Performance Tuning

Hi,
Our organization recently also encounter Oracle DB performance issue, whereby I am searching for information for us to going into diagnostic the problem and finding the root cause of this performance problem.
I had read through this old article where I found a number of points being highlighted was a good start for us, and just about this port, we would like to understand what in details of AIX 5.3 and asynch I/O turned-on had to do with Oracle DB performance, unfortunately the URL given in the article (possible due to the twas back in 2006), is no longer valid (http://www.oracle.com/technology/pub/articles/lewis_cbo.html), I tried that but the pages being redirected to (http://www.oracle.com/technetwork/articles/index.html).
May I know, would you able to provide me the new URL path for the mentiened AIX 5.3 asynch I/O turned-on related information?
Our environment:
1) OS AIX 5.3
2) Oracle DB 10g
(If I have the AWR Report, would it be better possition for you to help us?)
Thank you in advanced.
Best Regards,
KaiLoon Kok
Edited by: 991132 on Feb 28, 2013 11:19 PM

Hi,
performance tuning is a very large argument and the causes of degradation may be many.
There are several consideration that You have to do like:
- which kind of application is running on the DB
- which kind of optimizer is used
- the striping of the data files across the disks
- the dimension of the DB block
- the waits that DB encounters
- many other things like SORT_AREA_SIZE, HASH_AREA_SIZE, etc.
To begin Yr analysis use the utlbstat.sql and utlestat.sql scripts provided in the $ORACLE_HOM/rdbms/admin directory and check the conditions of the DB.
Increasing the SGA, like You've done, may not be the solution, somtimes it may instead decrease the overall performances.
Also check in wich case the DB is slow, ex. executing some particular procedure, excuting a particular query, ....
Try to identify the better the DB and then try to resubmit Yr problem.
Bye Max
null

Inputs to setup an Oracle performance tuning Lab.

Hi All,We are planning to setup a Performance tuning lab at our unit.The key areas which needs to be addresses for this lab is 1)Architecture of the Database 2)Having Large volume of data 3)Producing high volume transactions.
Request you to provide your valuable inputs on how to setup the lab.

user11266214 wrote:
Hi All
Thanks for your responses.We are not doing the load testing.We have a linux server on which Oracle 11g running.We would like to simulate the real time work environment on which we train people to perform the performance tuning tasks.Performance tuning tasks comprise of Server tuning,Oracle parameter tuning and SQL tuning.
Request you to provide inputs on the approach we need to take up for setting up such kind of lab.
Thanks in anticipation.Swingbench as said before

Beta Testing Continues for "Oracle Database 11g: Performance Tuning" Exam

!http://blogs.oracle.com/certification/2009-0204-1123.gif!
The beta period continues for the Oracle Database 11g: Performance Tuning certification exam (1Z1-054), which is a single exam requirement for Oracle 11g DBA OCPs to earn the Oracle Database 11g Performance Tuning Certified Expert (OCE) certification. Read more on the <a href="http://bit.ly/UGJh4">Oracle Certification Blog</a>.

Hello Hussein
Yes true, I remember it for the OCE and Linux exams they rescheduled the end date several times. As far as I know it is related to the number of participants and the given feedback.
I've also participated to several other exams, and I must admit that it is a long and hard process to get through. When I got the feedback 10 weeks after the beta period closure, I had to review nearly all the topics to get the exams passed the second time. But this it is a cheap and good exam preparation.
What about you Hussein? Do you think that's trivial?
Cheers,
Hub

NOW LIVE: Oracle Database 11g - Performance Tuning Exam (1Z0-054)

!http://blogs.oracle.com/certification/ORC-0128.jpg!
The new *"Oracle Database 11g: Performance Tuning" certification exam (1Z0-054)* is now live, which is a single exam requirement for Oracle 11g DBA OCPs to earn the Oracle Database 11g Performance Tuning Certified Expert (OCE) certification.
This certification endorses those database administrators, support engineers, and technical consultants who have demonstrated their knowledge and skills using Oracle Database 11g automatic tuning features, including SQL Tuning Advisor, SQL Access Advisor, Automatic Workload Repository and Automatic Database Diagnostic Monitor.
Candidates taking this exam at test centers will now receive their exam scores and pass/fail status immediately at the completion of their exam. Score reports have just been shipped to those candidates who participated in the beta period. If you participated in beta testing and did not yet receive your score report, please contact [email protected]
QUICK LINKS
<ul><li>Certification Track: Oracle Database 11g Performance Tuning Certified Expert (OCE)</li>
<li>Certification Exam: 1Z0-054 – Oracle Database 11g: Performance Tuning</li>
<li>Stay Up To Date: Oracle Certification Blog | Oracle Certification Website</li>
</ul>

Naveen Kumar C wrote:
Hi,
y
I want to take the certification Oracle Database 11g: Performance Tuning exam 1Z0-054 and want to write the exam.
To earn the OCE credentials, I know that we need to take training from Oracle University. I am not an OCP currently.
Can I write the exam now and later take the course to meet the certification requirements? I know it is not the right way, but I can not pay $3000 for the course as of now. I can write the exam through self study. I want to check if I can take the exam now and later take the course.
Is it mandatory to take the course before taking the exam?
Thanks,
naveen.Indeed you can take the exam now, and subsequently earn the 11g PERFTUNE OCE credential when you either:
1) complete, submit and get verified the OU authorised 11g perftune course (possible but seems a little cart before horse).
or
2) Become 11g DBA OCP.

Oracle 11g Performance tuning approach ?

Hello Experts,
Is it the right forum to follow oracle performance tuning discussions ? If not, let me know what will be the forum to pick up some thread on this subject.
I am looking for performance tuning approach for oracle 11g. I learned there are some new items in 11g in this regard. For persons, who did tuning in earlier versions of Oracle,
what will be the best way adopt to 11 g?
I reviewed the 11g performance tuning guide, but I am looking for some white papers/blogs with case studies and practical approaches. I hope that you have used them.
What are the other sources to pick up some discussions?
Do you mind, share your thoughts?
Thanks in advance.
RI

The best sources of information on performance tuning are:
1. Jonathan Lewis: http://jonathanlewis.wordpress.com/all-postings/
2. Christian Antognini: http://www.antognini.ch/
3. Tanel Poder: http://blog.tanelpoder.com/
4. Richard Foote: http://richardfoote.wordpress.com/
5. Cary Millsap: http://carymillsap.blogspot.com/
and a few dozen others whose blogs you will find cross-referenced in those above.

Help request for Oracle DB Performance tuning

I need some help on Oracle performance tuning.
My environment is VB 6 frontend & Oracle 8
in backend.
The problem I am facing is particularly in
muli-user environment. Some query which takes
20 seconds to when there is only one user
working in the network, takes more time
(3 minutes to even 5 minutes) when there are
4-5 users working in the network.
What may be wrong ?
Are there any parameters that I can
fine tune ?
We checked the resource utilization at the
server level CPU utilization is max 50 %,
Memoery utilization is 50 % (250 MB out of available 512 KB)
null

Hi Vinay,
There can be many reasons for time delay.
Here are some--
1) You may not be releasing the locks on objects quickly after use.
This can be obtained by querying v$locked_object.
2) You may be holding many sessions concurrently and not closing the older ones.
This u can get by querying v$session.
These are some common problems in multi-user platform.
R u using MTS?
Yogesh.

Exploring oracle Peformance tuning

Hi all, iam 6 month old to oracle arena...
I am passionate to learn oracle performance tuning. I couldnt able to understand concepts in oracle books..i need a proper flow of learning guide..learning tuning will give me upper hand in analysing behaviour of oracle architecture.
Please, help me in providing good articles or materials which would give me good learning flow of it...
Currently im following sir burleson blog but need more to learn about tuning...
thanks in advance....
[email protected]

sybrand_b wrote:
Please note there is a fundamental difference between the tuning approach of Donald K Burleson and people like Jonathan Lewis, Tom Kyte, and many others.
Typically Donald Burleson favors generic measures like expanding memory, or replacing 'normal' drives by Solid State Devices. Also the findings of Mr. Burleson have often been demonstrated to be incorrect by Tom Kyte and Jonathan Lewis. You can easily find various flame wars between Mr Burleson and Messrs Kyte and Lewis.
As a newbie, it's easy to be fooled by the posts and recommendations of Mr Burleson, since he's really visible, and seems to have very strong opinions.
After attending a few courses on the matter, one tend to find that it's rather much noise, and not much substance (and truth) in the ''best practices'' published by Burleson.
Of course you can speed up the database with SSD-disks, but you can just as easily gain the same performance increase by tweaking and tuning instance parameters and workload.
I myself attended the course "Oracle Database 11g: Performance Tuning DBA":
http://education.oracle.com/pls/web_prod-plq-dad/db_pages.getcoursedesc?dc=D50317GC20
and highly recommend it.
Good luck in your tuning.
//Johan

Query About performance tuning

Hi Guru's
May be this question is stupid one, but i think this is the forum where every user get details of all there questions.
I want to start learning Performance tuning but not know the path from where to start can anyone suggest me the same.
Thanks in advance

Hi,
performance tuning is a huge area. It involves following skills:
1. Understanding how Oracle stores data (physical structure of tables and indexes) and how it reads and writes it.
2. Understanding how Oracle processes and executes queries
3. Ability to read execution plans (not just scan them for 'red flags')
4. Familiarity is most common wait events, knowing and understanding Oracle Wait Interface and its limitations
5. Ability to understand AWR and ASH data and its limitations
6. Understanding Oracle optimizer and it's inputs, knowing basic formulas for cardinality and selectivity, cardinality feedback tuning
7. Abilty to read trace files (first of all extended SQL trace, 10046, and CBO trace, 10053)
8. Understanding concurrency and read consistency and work Oracle does to maintain them.
This is probably not a complete list. Of course you won't be able to learn everything at once. You can start by reading:
1. The official Oracle Performance Tuning Guide
2. T. Kyte's books on Oracle architecture
3. Milsap's and Holt's book "Optimizing Oracle Performance"
4. J. Lewis "Cost based fundamentals"
Best regards,
Nikolay

Can i use "Oracle Database 12c: Performance Management and Tuning " training for getting certification on "Oracle Database 11g: Performance Tuning 1Z0-054"

i have taken "Oracle Database 12c: Performance Management and Tuning new" training from oracle university. Now i would like to get certified on "Oracle Database 11g: Performance Tuning 1Z0-054" exam. Is it possible ?

I essentially endorse and refer you to Matthews' and John's post above.
I would differ with slightly with Matthew because my guess is you would often be able to use like for like 12c training for an 11g certification ( I believe there are precedents). BEFORE ANYONE ASKS THE OTHER WAY DOESN'T HAPPEN.
.... but totally concur with Matthew you would ill advised to procede on that basis without one of:
- This being advertised as possible on the website : e.g. https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=654&get_params=p_id:169 ... option 2 show courses.
- Confirmation from Brandye
- Confirmation from an Oracle Certification Support Web Ticket ( http://education.oracle.com/pls/eval-eddap-dcd/OU_SUPPORT_OCP.home?p_source=OCP )
... The more common (and in my opinion usually better) way would be get your 11g DBA OCP ( or higher first) and then take the 1z0-054. I am almost certain they will accept your 12c course for the 11g DBA OCP.
If you are choosing the route of not being a 11g (or 12c ) DBA OCP first but are on option 2 and relying on the course for certification then the issue is more in the balance and you are even more strongly advised to get confirmation before proceding (remember if the rules need to be changed for you only then any profit out of the exam is lost).
In general my understanding is Oracle would prefer to encourage people to train on the latest version of product that is available for training and will prefer to avoid restrictions which would cause you to train at a lower version. ( This is simply my guess at Oracle University Policy ... personal opinion only).
Having said all I have said I'd encourage you to go with the advice of the earlier two posts.

Oracle Application Performance Tuning

Hello all,
Please forgive me if I am asking this in the wrong section.
I am a s/w engineer with 2 years of exp. I have been working as a performance tuning resource for Oracle EBS in my company. The work mostly involved SQL tuning and dealing with indexes etc. In this time I took up interest in DBA stuff and I completed my OCA in Oracle 10g. Now my comany is giving me an oppurtunity to move into an Application DBA team and I am totally confused about it.
Becoming an Apps DBA will mean that the effort I put into the certification in 10g will be of no use. There are other papers for Apps DBA certification. Should I stay put in performance tuning & wait for a Core DBA chance or shall I accept the Apps DBA oppurtunity.
Also, does my exp. in SQL performace tuning hold any value as such with out an exposure to DBA activities?
Kindly guide me in this regards as I am very confused at this juncture.
Regards,
Jithin

Jithin wrote:
Hello bigdelboy , Thank you for your reply.
Yes, By oracle Apps DBA I meant Oracle EBS.
Clearing 1Z0-046 is an option. However, my doubt is will clearing both the exams Admin I and Admin II be of any help without having practical expericnce? The EBS DBA work involves support and patching, cloning, and new node setup etc.
Also, is my performance tuning experience going to help me in any way in the journey forward as a DBA/ EBS DBA?
Thank you for your valuable time.
Regards,
Jithin SarathThe way I read it is this.
People notice you are capable of understanding and performance tuning SQL. And you must have some knowledge of Oracle EBS. And in fact you also have a DBA OCA.
So there is a 98% + chance you can be made into a good Oracle Apps DBA (and core DBA). If I was in their position I'd want you on my team too; this is the way we used to bring on DBA's in the old days before certification and it has a lot of merit still. Okay you can only do limited tasks at first ... but the number of taks you can do will increase dramatically over a number of months.
I would imagine the Oracle Apps DBA will be delighted to have someone on board who can performance tune SQL which sometimes can sometimes seem more like an art than a science. The patching etc can be taught in small doses. If they are a good team they wont try to give you everything at once, they'll get you to learn one procedure at a time.
And remember, if in doubt ask; and if you dont understand ask again. And be safe rather than sorry on actions that could be critial.
If your worried about liinux: Linux Recipes For Oracle Dbas (Apress) might be a good book to read but could be expensive in India
Likewise: (Oracle Applications Dba Field Guide) may suit and even (Rman Recipes For Oracle Database 11 G: A Problem-solution Approach) may have some value if you need to get up to speed quickly in those areas.
These are not perfect but they sometimes consolidate the information neatly; however only buy if you feel they are cheap enough. You may well buy them and feel disappointed (These all happen to be by Apress who seem to have produced a number of good books ... they've also published some rubbish as well)
And go over the 2-day dba examples as well and linux install examples n OTN as well ... they are free compared to the books I mentioned.
Rgds -bigdelboy.

Oracle Performance Tuning Certification

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