Links refers to Linux basics for oracle DBA by Sushil Kuma

kamran sir
I need help regarding the links posted on your blog.
The links refers to Linux basics for oracle DBA by Sushil Kumar which is posted on your blogspot. if anyone is having those links please provide me those links.
thank you

susdba wrote:
kamran sir
I need help regarding the links posted on your blog.
The links refers to Linux basics for oracle DBA by Sushil Kumar which is posted on your blogspot. if anyone is having those links please provide me those links.
thank youpost the question in kamran's blog with your email id.
else email him separately
thank you grish sharma... i removed it
Edited by: rajeysh on Jul 12, 2011 8:21 PM

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Install linux redhat for oracle 10g2

Hi Friends,
I will install linux redhat linux 5 for oracle 10g 2. How to created correct partition of linux to match oracle 10g 2.
I install linux as server style. any advice?
Thanks
JIm

Hi JIm
It is true that for us DBA the OFA is the standard by excellence. You have also the quite good document on that gives you also a lot of examples.
http://www.ss64.com/orasyntax/ofa.html
What is a style server? Do you mean as a template server?
Please note also that if you need to do more than 1 installation you can clone your binaries from your first installation. Ideally you should patch it to he latest release and then make your clone.
1. tar your current binaries under /oracle/product/10.2.0/db_1
2. copy the tar file on the target server under /export/home/oracle and then untar it.
3. cd to new_oracle_home/oui
4. ./runInstaller -clone -silent ORACLE_HOME="<new_oracle_home>" ORACLE_HOME_NAME="<unique_home_name>"
read more on http://download.oracle.com/docs/cd/B19306_01/install.102/b15660/app_cloning.htm
You can also clone your database to other targets
1 Duplicate from source to your targets
1.1 Perform a database backup including archive log
1.2 Create an Oracle password file for the auxiliary instance
1.3 Establish Oracle Net connectivity to the auxiliary instance
1.4 Create an initialization parameter file for the auxiliary instance
1.5 Start the auxiliary instance in NOMOUNT mode
1.6 Mount or open the target database
1.7 Ensure that backups and archived redo log files are available
1.8 Allocate auxiliary channels if needed
1.9 Execute the DUPLICATE script
Hope this will help you to get the templates installed.
Cheers
Hubert
Edited by: Hub on Oct 25, 2008 1:52 PM

Interview questions for oracle dba

Hi I am trying to find teh interview questions for oracle dba .
What will be your answer to the following questions. Can somebody shed some light...
. What is the day to day duties of oracle dba?
·     Did you use online or off-line backups?
·     What version of Oracle were you running?
·     Haw many databases and what sizes?
·     If you have to advise a backup strategy for a new application, how would you approach it and what questions will you ask?
·     If a customer calls you about a hanging database session, what will you do to resolve it?
·     Compare Oracle to any other database that you know. Why would you prefer to work on one and not on the other?
Thx
KK

. What is the day to day duties of oracle dba?
I have got a checklist, designed for my daily, weekly, fortnightly and monthly tasks. For example, in the daily checklist tasks, I check for the alert log file, competion and correction of my exports and operating system backups. DB space situation, Antivirus status, standby database status, space on disks, any rogue queries etc.
· Did you use online or off-line backups?
Both.
· What version of Oracle were you running?
8i(not any more), 9i, 10g
· Haw many databases and what sizes?
8 databases, ranging from 1 TB to 10 GB. I have segregated them into OLTP production, testing, cm, and development and a Datawarehouse.
· If you have to advise a backup strategy for a new application, how would you approach it and what questions will you ask?
How much they could afford to lose data or they want zero data loss and also I will get their requirements about down time and up time of database.
· If a customer calls you about a hanging database session, what will you do to resolve it?
First I will identify it, then see to it what exactly it is doing, capture that situation and then either try to release the locks(if its a blocking or blocked session), or kill the session, if its hanging on a runaway query.
· Compare Oracle to any other database that you know. Why would you prefer to work on one and not on the other?
Oracle passes the ACID rule with distinction as compared to the other databases. Moreover, the multiversion read consistency, recovery, flexibility and challenges of Oracle are matchless.
Cheers
fahdoracle.blogspot.com

Demand for oracle dba

Hi,
I've heard from many people that the demand for Oracle DBAs in the market is getting down and will continue to degrade. Is it true?
Waiting for reply.

Is that [DBA 1.0 or DBA 2.0|http://blogs.oracle.com/certification/docs/Oracle%20DBA%202.0.pdf]?
The market is down in general. Who knows what the future holds. Normally it's a bit like the past with some minor changes.

关于BR*Tools Studio for oracle DBA

请问有人知道这个工具吗BR*Tools Studio for oracle DBA
是一个可以下载的工具还是一个需要购买的产品????

请到SDN 中文页面上https://www.sdn.sap.com/irj/sdn?language=zh
左边有个热门下载，其中第3个文档详细介绍了BR*Tools Studio for oracle DBA的使用

Study Material /Links for Oracle DBA

Gurus,
Please guide me with some study material and website where to start on to get into as Oracle DBA.
Basically a beginners step from developer to DBA, how are the Docs that needs to be referred and studied. Eg - What Oracle 11g or 10g Docs that needs to be referrred and worked on/practiced to start as a Oracl DBA.
Thanks a lot in advance for your advices and inputs.
Sheik

Since a developer is switching over to DBA role, I suggest to start with the basic Oracle documentation.
http://www.oracle.com/pls/db102/homepage

Looking For Oracle DBA Supervisor

I am looking for a Database Management Supervisor for an excellent company with great benefits and excellent working culture. Profile is mentioned underneath. Managind DBA's Experience is very necessary. There is also a referal fee of $1000. Feel free to call me for further questions and send your resume at [email protected]
Thanks
Harvinder Singh
www.karta.com
[email protected]
Ph: 800-725-2782 x3302
210-582-3302
This position will be responsible for supervising 6-9 Database Management Analysts (DBAs) in managing databases and supporting application development. This position will also give directions and lead the activities of enhancing database standards and procedures for Oracle Database operations. Responsibilities include:
· Plan DBA resource for production support and various projects
· Manage the performance of assigned associates (primarily Oracle DBAs)
· Provide database services to applications running on Oracle, Sybase, Adabas, and Microsoft SQL Server
· Provide technical direction of database operations (database design, database backup/recovery, monitoring, security, performance tuning, etc.)
· Maintain relationships with clients, managers, end users, and other technical staff, to understand client needs and optimize service levels
· Work with the manager to select, develop, and maintain an effective team
· Resolve any database performance issues pertaining to specific projects and general day-to-day activities
· DBMS software management
· DBMS vendor management
Requirements for this position include:
· Minimum 2 years experience managing DBAs
· Must have extensive Oracle database management experience
· Strong knowledge of RDBMS management throughout the application development cycle
· Strong knowledge of managing database in the Unix environment
· Good judgment in identifying issues and recommending solutions to others
· Strong communication skills
· Project management skills
· Thorough understanding of application architecture concept
· College Degree
Desired skills include:
· Sybase
· MS SQL Server
· Windows knowledge
· Mainframe knowledge

Hi,
below is the link which will help u to upgrade 10.3 orderbookin to 11g
http://docs.oracle.com/cd/E23943_01/upgrade.1111/e10127/soa_order_booking.htm
"A Example: Upgrading and Redeploying SOA Order Booking"
Note: The composite functionality is same between soa suite 10.3 and 11g. you can upgrade the composite using 11g jdev and it will be automatically converted to 11g composite
If you are happy with answer please assing some points

DBAShell - New Open Source Project for Oracle DBA's

I'd like to have this project included in the Open Source Oracle tools list at: http://www.oracle.com/technology/community/opensource_projects.html
I've been an Oracle DBA for quite some time (since 7.0.13) and a developer for many years. One of the things I've always wished for was an easier way to set up environment variables for different Oracle Homes and a way to provide passwords to scripts without embedding them in plain-view.
About 3 years ago, I started a set of functions and scripts at my company that did exactly just that and provided many more functions for things like checking database status, running scripts quietly unless errors are detected, running actions in parallel (like fast shutdowns at once, or multiple analyzes), restarting databases in a guaranteed fashion, aliases to common folder locations, etc..
About a month ago, after putting all this time and effort into these scripts and using them in production all this time, I realized I wanted more out of the scripts like support for other databases and thought that it would be best if I gave it new life as an Open Source project.
So that is how http://sourceforge.net/projects/dbashell/ was started. Now its in a second release (DBAShell 0.85) that is more modular and would allow other people to easily add support for other OSs, other Shells, and other Databases.
Here is a description of the project from the latest news item:
DBAShell is a project based around Shell functions and scripts designed to make it easy for DBA's to use Databases in a command line environment. Currently supported is Oracle with ksh and bash on AIX, Solaris, Linux. The code base itself is 3 years old and has been in use in Production environments all of that time.
Features include:
* Automatic setting of all environment variables based on SID requested.
* Manage PATH's and other path like variables for each ORACLE_HOME needed.
* Run scripts with stored passwords (no more hard-coding of passwords!!)
* Automatically set SID based on Script location (makes it easier to share scripts between SID's)
* manage temporary script output and check for oracle errors in output
* check database status and versions from scripts
* stop/start databases in parallel (faster startup)
* compile all database objects
* analyze objects in parallel (Faster analyzes)
* set aliases and variables for common SID areas, etc..
* many helpful commands for common Oracle tasks
Over a thousand people have already downloaded the prior release and more are downloading every hour.
I'm seeking feedback from anybody that would be willing to take a look at the project, trying it out, give me any feedback you have on it, and perhaps even direct me to where I could best promote this project.
I wrote a tutorial that shows at a glance some of the more useful features of DBAShell:
http://sourceforge.net/docman/display_doc.php?docid=34041&group_id=170224
Main site:
http://sourceforge.net/projects/dbashell/
Documentation: http://sourceforge.net/docman/display_doc.php?docid=33704&group_id=170224
Download:
http://prdownloads.sourceforge.net/dbashell/dbashell-0.85.tar.gz?download

Always glad to have people thinking about the poor DBA's. Usually, the developers get most of the attention in open source.

DBAShell - Open Source project for Oracle DBA's

Ive been an Oracle DBA for quite some time (since 7.0.13) and a developer for many years. One of the things Ive always wished for was an easier way to set up environment variables for different Oracle Homes and a way to provide passwords to scripts without embedding them in plain-view.
About 3 years ago, I started a set of functions and scripts at my company that did exactly just that and provided many more functions for things like checking database status, running scripts quietly unless errors are detected, running actions in parallel (like fast shutdowns at once, or multiple analyzes), restarting databases in a guaranteed fashion, aliases to common folder locations, etc..
About a month ago, after putting all this time and effort into these scripts and using them in production all this time, I realized I wanted more out of the scripts like support for other databases and thought that it would be best if I gave it new life as an Open Source project.
So that is how http://sourceforge.net/projects/dbashell/ was started. Now its in a second release (DBAShell 0.85) that is more modular and would allow other people to easily add support for other OSs, other Shells, and other Databases.
Here is a description of the project from the latest news item:
DBAShell is a project based around Shell functions and scripts designed to make it easy for DBA's to use Databases in a command line environment. Currently supported is Oracle with ksh and bash on AIX, Solaris, Linux. The code base itself is 3 years old and has been in use in Production environments all of that time.
Features include:
* Automatic setting of all environment variables based on SID requested.
* Manage PATH's and other path like variables for each ORACLE_HOME needed.
* Run scripts with stored passwords (no more hard-coding of passwords!!)
* Automatically set SID based on Script location (makes it easier to share scripts between SID's)
* manage temporary script output and check for oracle errors in output
* check database status and versions from scripts
* stop/start databases in parallel (faster startup)
* compile all database objects
* analyze objects in parallel (Faster analyzes)
* set aliases and variables for common SID areas, etc..
* many helpful commands for common Oracle tasks
Over a thousand people have already downloaded the prior release and more are downloading every hour.
I'm seeking feedback from anybody that would be willing to take a look at the project, trying it out, give me any feedback you have on it, and perhaps even direct me to where I could best promote this project.
I wrote a tutorial that shows at a glance some of the more useful features of DBAShell:
http://sourceforge.net/docman/display_doc.php?docid=34041&group_id=170224
Main site:
http://sourceforge.net/projects/dbashell/
Documentation: http://sourceforge.net/docman/display_doc.php?docid=33704&group_id=170224
Download:
http://prdownloads.sourceforge.net/dbashell/dbashell-0.85.tar.gz?download

Always glad to have people thinking about the poor DBA's. Usually, the developers get most of the attention in open source.

Linux istallation for oracle

hi,
i want to install oracle database & oracle developer on Linux machine.so i m installing Linux and i want to know how much i should specify partition size bcoz i dont want to face any size related problem when i would install database & developer.
so plz tell what partition should what size ?
thanks

superdba wrote:
let me clear u one thing i m not looking linux parameter or setting or oracle installation .
i m looking ofr linux partiton size when i m installing linux so i wont get anyy error related to size.that means size of
root parition, / parttion,boot, home ,swap, usr, var and any other if required.Hi 'superdba'.
Perhaps you should talk to 'super sysadmin' to get some help for the root, /, boot, home, usr, var partitions since they have nothing to do with Oracle in any way.
For Oracle, it is strongly suggested that you have 2GB swap minimum, or 2x real memory for swap up to 8GB memory, or 1x memory for swap past 16GB memory.
And for Oracle you need to decide the file system for installing the database software. But plan on 4GB for the database s/w in whatever file system you decide. (I personally recommend /opt or /u01, but the documentation has a great section on the Optimal Flexible Architecture (OFA) which your 'super sysadmin' should read to advise you of how to best handle that.)
And for Oracle you need to decide which file systems will hold the data files, and how big they need to be for your projected application data storage. Again your 'super sysadmin' will help with the file system, and the size information will come from your vendor or your developers.
If you have no 'super sysadmin' then you need to use that most important of skills available to any dba, including 'superdba', which is to read the manuals.

Red hat Linux support for Oracle

Hi! Can some body tell me which version of Red Hat Linux is supported. I was told that Oracle supports only upto Red hat 7.1 for Oracle 8.1.7.3.
thanks

I installed 9iAS on RedHat 7.3, see my post at:
Re: SQL query report columns
I don't know about versions < 7.3, but 7.3 by default includes kde 3 :)

Linux flavors for oracle 10gR2 RAC setup

Hi,
Oracle10gR2
Which are the alternate Linux flavors (most similar to RHEL 5.5) that can be used for Oracle10gR2 RAC setup ??
Regards

Hi,
while there other Linux versions are also vertified, best is to use Oracle Linux http://www.oracle.com/us/technologies/linux/index.html
This is based on RHEL (you also have a 5.5. version).
Regards
Sebastian

Good book for oracle dba

hi experts,
I am new to oracle dba field. Can you please suggest methe name of a good book.
Regards
Rajat

Maybe the best thing would be a course? Books are fine, but you will probably learn quicker by example. There are some reasonable CD-ROM/DVD courses out there (not naming any). Google for some and check their rating. I know of no single book that would offer as much as a decent course. Once you are up to speed, then, yes, you'll be seeking out the better books. Finally, the 2-day guides in Oracle's docs. are really worth reading, and re-reading. But the docs, by themselves, are a bit dry. If you can afford an Oracle University course, or (my preference) Learning Tree (and, no, I do not work for them, etc.), then go for that - you won't regret it.
All IMHO!
Regards - Don Lewis,

Which is the best training institute in india for oracle dba?

hi,
i am looking for good training institution in india to learn oracle dba
so pls can any one suggest me which institute providing the best training for this course
thank you in advance

user12483593 wrote:
hi,
i am looking for good training institution in india to learn oracle dba
so pls can any one suggest me which institute providing the best training for this course
thank you in advanceThe best training is probably by Oracle University
Goto [http://www.oracle.com/education] - choose Product Courses, Database and Grids:
(eg [http://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=14&p_org_id=1080544&lang=US])
In both cases ensure country selected on top right is India.
On the schedule choose courses with +100% Student Satisfaction+
It is hard, (though obviosly not impossible), for other institutions to better this standard of such courses.
If you are aspiring to Oracle DBA OCP be very sure the institute you are choosing satisifies the requirements for the Hands on Course, and do not take the institutes word for it but check.
It may well be that you are looking for institutions offering the WDP programme. This is a maximm of 6 hours/week over several weeks so IMHO is impractical if you do not live nearby. There appear to be comments that sometimes the training from these institutes doing the WDP course can be of very variable quality. Probably the only option here is to seek out the opinions of recent psat students you can trust.

SAP CAREER FOR ORACLE DBA

Hi all,
I have been working on oracle technologies (oracle SQL, pLSQL,D2k,shell scripting,Oracle DBA, Mysql, bit of MSSQL) from past 6 years and as oracle dba from last 4 years. I thought of changing career from Oracle to SAP, and would like to know which SAP course will best suited to the said profile candiate and is it good to move from oracle to SAP? Please give candid reply. thanks in advance.

Hi,
Go for ABAP you have OPEN SQL and STRUCTURED SQL there but again
you have to learn these concepts.
1)Data dictonary
2)Control Statements
3)Reporting a)Clasical b)interactive
4)Modularization techniques
5)BDC
6)Scripts
7)LSMW(Data Transfers)
8)Files,table controlls
10)Object Oriented Concepts
11)ALE/IDOcs
This takes a long time, and the decision is yours.
regards,
Murali.Chatna

Links refers to Linux basics for oracle DBA by Sushil Kuma

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