10g database, cluster on aix and jdeveloper

Are there some known incompatibilities between oracle 10g database with cluster on aix and jdeveloper application (jdev 10g) using dynamic jdbc credentials (jsp, bc4j, adf)?

My application vendor advises me that my patch level on AIX should be equivalent to that of the following windows patch level.It may not be available becuase most of them are OS specific..If there is patch for Windows behaviour how are you expecting a patch for an Unix version
Explain your vendor about this buton the other hand if it is a generic issue then you should look for AIX patch
Edited by: Maran Viswarayar on Jan 18, 2010 5:10 PM

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Oracle 10g database as Resource manager and heuristic transaction decision

Hi,
I have read in documents about distributed tarnsaction that resource manager like oracle databasecthat are involved in distributed transaction can take heuristic decision(unilateral decision) and can either rollback or commit the transaction associated with itself without having confirmation from the transaction manager.
I want to know how a resource manager take this unilateral decision and can we set this as parameter either in resource manager or in application server.
Thanks in advance

Hi,
Following are some links to documents.
Handling Heuristic Completions
http://edocs.bea.com/wls/docs81/ConsoleHelp/jta.html
A heuristic completion (or heuristic decision) occurs when a resource makes a unilateral decision during the completion stage of a distributed transaction to commit or rollback updates. This can leave distributed data in an indeterminate state. Network failures or resource timeouts are possible causes for heuristic completion. In the event of an heuristic completion, one of the following heuristic outcome exceptions may be thrown:
HeuristicRollback—one resource participating in a transaction decided to autonomously rollback its work, even though it agreed to prepare itself and wait for a commit decision. If the Transaction Manager decided to commit the transaction, the resource's heuristic rollback decision was incorrect, and might lead to an inconsistent outcome since other branches of the transaction were committed.
HeuristicCommit—one resource participating in a transaction decided to autonomously commit its work, even though it agreed to prepare itself and wait for a commit decision. If the Transaction Manager decided to rollback the transaction, the resource's heuristic commit decision was incorrect, and might lead to an inconsistent outcome since other branches of the transaction were rolled back.
HeuristicMixed—the Transaction Manager is aware that a transaction resulted in a mixed outcome, where some participating resources committed and some rolled back. The underlying cause was most likely heuristic rollback or heuristic commit decisions made by one or more of the participating resources.
2. Understanding EJB Transaction
http://www2.sys-con.com/itsg/virtualcd/Java/archives/0504/tyagi/index.html
Unilateral Decisions
The transaction manager allows certain heuristic or speculative decisions to be made based on the state of all participating resources in a transaction and the underlying two-phase commit protocol. A heuristic decision occurs when one of the resources in the transaction unilaterally decides to commit or roll back the transaction without permission from the transaction manager
3. Oracle® Containers for J2EE
http://download.oracle.com/docs/cd/B31017_01/web.1013/b28958.pdf
Heuristics
To achieve consensus, two-phase commit is a blocking protocol. This means that, if a coordinator fails before delivering the final phase messages, the participants must remain blocked, holding onto resources. Modern transaction systems add heuristics to two-phase commit, which allows such participants to make unilateral decisions about whether they will commit or rollback. If a participant makes a choice that turns out to be different from the one taken by other participants, then non-atomic behavior occurs.
I got this problem while trying to do a distributed J2EE tarnsaction with two XA (one MQ and other Oracle 10g database XA) and one non-xa (oracle 10g database). According to above docs a resource manager can decide tarnsaction final state unilaterally and that can result in unatomic transaction.
Do oracle also make such decision and if yes then on what ground it takes decision? Can we change this according to our requirement either always rollback/commit anywhere as parameter setting?
Thanks

Question about RAC 10g on server running AIX and domain name changes

We have several 10g clusters running on IBM p-Series AIX servers, and our company is changing the domain name for our network. I am concerned that if we do not change the domain names in the TNSNAMES.ora file and also the /etc/hosts file on each server, the cluster will no longer function. We are using CRS (version 10.2.0.3) and ASM within each cluster.
Does anyone know where I can find information about changing the domain name that was set up as part of the CRS and database installs for RAC? Does anyone have experience doing this, and would be willing to share a few insights? Thanks in advance for any advice you can give!

You may be able to use the VIPCA utility for RAC to change or modify the public and private settings for your domain names on AIX. Also, the Oracle 10g DBCA "Database Configuration Assistant" should be of use to change your settings for your RAC environment.
Also, see here for a good IBM Redbook that covers Oracle 10g RAC on AIX platforms:
http://www.redbooks.ibm.com/redbooks/pdfs/sg247541.pdf
Regards,
Ben Prusinski
http://oracle-magician.blogspot.com/
Regards,
Ben Prusinski
http://oracle-magician.blogspot.com/

Unable to connect to 10g database using Devloper 6i and SQLPLUS 8

Dear all Developers,
I have installed 10g with patch 10.2.0.3 and developer 6i, i am not able to access the database with Forms Devloper 6i, Report Devloper 6i and SQLPLUS 8 (installed by default with DS) when i try to initiate connection the sessions crashes. (DB character set AL32UTF8)
Please note we already have ORACLE RAC 10g version 10.2.0.3 (DB character set AR8MSWIN1256) developer can connect to this db with no errors
Please suggest how i can solve this problem
Thanks
Zeeshan Sheikh

First of all you need to be on Patch set 18 of Oracle Forms 6i -- but I think you will still have problems with the character set you are using... but you'll need to search out details.

Best Way to Drop a 10g Database

hi experts,
This is 10g on Windows.
I have 3 10g databases on this server and I need to drop and recreate 1 of the databases.
What is the best way to get the cleanest, most thorough deletion?
I'm thinking of doing:
shutdown immediate;
startup mount exclusive restrict;
drop database;
is there a better option?
Thanks, John

No.
Though the "EXCLUSIVE" keyword is no longer required ... at least in 11gR1 and perhaps not in your version either.

Headstart performance in 10g database

A drawback of the business rules implementation of Headstart is the overhead by the CAPI and TAPI code. We are going to upgrade our database from 9i to 10gR2. According to Oracle this should increase the performance of PL/SQL. Are the experiences with CAPI/TAPI performance in a 10g database compared to 9i and with the effects of native compilation of PL/SQL?

We have found the cause. The capi performs a query on qms_rowstack very often and in 10g this query used the wrong index. By changing the order of the columns in qms_rws_uk1 index (package_name as first column) the query uses this column, resulting in the same performance as in 9i.

Forms 6i X 10g Database (the solution is here)

Hey all,
As i said in another thread, many people get problems when integrating Forms 6i and 10g Database. They usually say:
"I can't access 10g database from Forms 6i and from SQLPlus"
The solution is very simple, you have to just write a command line to alter the "character set". Let's keep this thread on the top to help everyone who is facing this problem.
The explanation is written in this thread:
Re: Forms 6i on 10g Application Server
Hope to help!
Bye.

There is more discussion of the AL32UTF8 character set and changing to UTF8 here:
<p>connecting form 6i to oracle database 10G express edition

Steps to export and import oracle 10g databse from AIX to AIX and LINUX

Hi,
I need the steps to export the oracle 10g database from AIX server to AIX server and LINUX server.
Please give me all the steps as this is my first exort an import activity.
thanks,

For 10g there exist two ways to do so.
1) Regular exp/imp.
2) Data pump expdp/impdp.
As this is your first export and import activity, relevant concept understanding is mandatory for you.
Documentation Link
http://download-east.oracle.com/docs/cd/B19306_01/server.102/b14215/toc.htm
Read the chapters 1,2,3 (Data pump expdp/impdp) and 19 (regular exp/imp). Good luck.

Oracle 10g database in AIX 6.1.

Hello ALL!
Would anyone know what are the parameters or settings that need to be configured in AIX 6.1. before you can install Oracle 10g database?
Should you know any helpful and related links, please share.
Thanks so much!!!

You will need 10.2.0.3 or higher - see these MOS Docs for details
Oracle Database on Unix AIX,HP-UX,Linux,Mac OS X,Solaris,Tru64 Unix Operating Systems Installation and Configuration Requirements Quick Reference (8.0.5 to 11.2) [ID 169706.1]
Minimum Software Versions and Patches Required to Support Oracle Products on IBM Power Systems [ID 282036.1]
HTH
Srini

How to export a user and their schema from one 10g database to another?

Hi,
I would like to export a user and their entire schema from one 10g database to another one. How do I do this?
thx
adam

If you want to export a user and the schema owned to the user, and import to the same user in a different database, or a different user in the same database, you can use the exp and imp commands as described in the Utilities manual.
These commands are very versatile and have a lot of options - well worth learning properly. To give you a simplistic shortcut, see below - I create a user 'test_move', create some objects in the schema, export, create a new user in the database 'new_move' and import.
oracle@fuzzy:~> sqlplus system/?????
SQL*Plus: Release 10.2.0.1.0 - Production on Sat Mar 11 21:46:54 2006
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production
SQL> create user test_move identified by test_move;
User created.
SQL> grant create session, resource to test_move;
Grant succeeded.
SQL> connect test_move/test_move
Connected.
SQL> create table test (x number);
Table created.
SQL> insert into test values (1);
1 row created.
SQL> exit
Disconnected from Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production
oracle@fuzzy:~> exp system/????? file=exp.dmp owner=test_move
Export: Release 10.2.0.1.0 - Production on Sat Mar 11 21:48:34 2006
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to: Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production
Export done in AL32UTF8 character set and AL16UTF16 NCHAR character set
About to export specified users ...
. exporting pre-schema procedural objects and actions
. exporting foreign function library names for user TEST_MOVE
. exporting PUBLIC type synonyms
. exporting private type synonyms
. exporting object type definitions for user TEST_MOVE
About to export TEST_MOVE's objects ...
. exporting database links
. exporting sequence numbers
. exporting cluster definitions
. about to export TEST_MOVE's tables via Conventional Path ...
. . exporting table                           TEST          1 rows exported
. exporting synonyms
. exporting views
. exporting stored procedures
. exporting operators
. exporting referential integrity constraints
. exporting triggers
. exporting indextypes
. exporting bitmap, functional and extensible indexes
. exporting posttables actions
. exporting materialized views
. exporting snapshot logs
. exporting job queues
. exporting refresh groups and children
. exporting dimensions
. exporting post-schema procedural objects and actions
. exporting statistics
Export terminated successfully without warnings.
oracle@fuzzy:~> sqlplus system/?????
SQL*Plus: Release 10.2.0.1.0 - Production on Sat Mar 11 21:49:23 2006
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production
SQL> create user new_move identified by new_move;
User created.
SQL> grant create session, resource to new_move;
Grant succeeded.
SQL> exit
Disconnected from Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production
oracle@fuzzy:~> imp system/????? file=exp.dmp fromuser=test_move touser=new_move
Import: Release 10.2.0.1.0 - Production on Sat Mar 11 21:50:12 2006
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to: Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production
Export file created by EXPORT:V10.02.01 via conventional path
import done in AL32UTF8 character set and AL16UTF16 NCHAR character set
. importing TEST_MOVE's objects into NEW_MOVE
. . importing table                         "TEST"          1 rows imported
Import terminated successfully without warnings.
oracle@fuzzy:~>                                                       If moving between databases, remember to set the SID properly before the import. If keeping the same userid, skip the from/to stuff in the import.
There are many variations on the theme ...
You can simplify this. You can select tables individually. You can use a parameter file. You can transport all the constraints and data. You can skip the data and only move the definitions. You can get some help (imp/exp help=yes).
And, if it's all 10g, there is a new and improved facility called expdp/impdp (dp = data pump) which has a lot more capability as well, including direct transfer (no intermediate file) together with suspend/restart. Also documented in the Utilities manual.

CONNECTING ORACLE 9I OR 10G DATABASE WITH ORACLE 10G FORMS AND REPORTS

pls tell how to connect oracle 9i or 10g database with oracle developer suite 10g . though the forms are getting connected but not running with error as
FRM-10142 the HTTP listner is not running on pls start the listner or check your runtime preferences.
now pls tell how to start listner and how to chage runtime preferences.
though i have worked with oracle 9i and forms 6i where we used to copy the tnsnames.ora from network/admin of oracle to forms 6i tnsnames.ora.
thank you, you may be thinking such a long question.....

sir
By server i mean the computer where oc4j and backend database are running is one one of the client pc not a dedicated server..., these database and 10g dev suite are installed in one of the client machine,
all the clients are using same internet explorer as browser.
no message is being displyed on some of the client machine where these forms are not being uploaded on browser instead it displays as done in status bar without actually showing anything at all...
sir so far as jinitiator or JRE is concered i have seen on the client machine (where my forms are running on internet explorer) a pop up is displyed telling one activex control is required to run this program and click to install it..
after clicking it download jinitiator from server and after installing jinitiator my forms are loaded and start functioning...
what i feel is as i said this machine where oc4j and database is running is one of the client machine so some other clients do not have acess to this machine, so this might be the reason why those clints are not able to run the said forms on the internet explorer.... can it be so... kindly tell..
thank you for your patience for reading the question

Export and import Oracle 10G database

Hello all
Can anyone tell me once for all how can i backup oracle 10G database and restore it in other computer (export and import)
thanks alot
Ron

Do you can access to metalink?
If not, I copy an paste this doc's....
Doc ID: Note:10767.1
Subject: How to perform FULL System Export/Imports
Type: BULLETIN
Status: PUBLISHED
Content Type: TEXT/X-HTML
Creation Date: 18-APR-1994
Last Revision Date: 30-AUG-2002
Purpose
This article highlights some important points to consider when performing
a Full System Export and Import.
Scope and Application
It is intended to assist users performing FULL System Exports and Imports.
A Full System Export and Import is a useful way to replicate or clean up
a database. Please note the following guidelines when performing a Full
System Export and Import:
1. When performing the import, ensure you are pointing at the correct
instance. Always check values for the SID and two task driver before
proceeding.
*Note: On Unix systems, just entering a sub-shell, such as using
C-shell, can change the database that the import would work
against.
2. When possible, it is advisable to take a physical copy of the
exported database and the database you intend to import into before
starting the import. This ensures any mistakes are reversible.
3. NEVER run a FULL SYSTEM IMPORT on a machine that has more than one
database UNLESS you are 100% sure all tablespaces have been
pre-created. A full import will create any undefined tablespaces
using the same datafile names as the exported database. There are
situations where this is very dangerous:
-> If the datafiles belong to ANY other database, they will be
CORRUPTED. This is especially true if the exported database is
on the same machine, because its datafiles will be re-used by
the database you are importing into.
-> If the datafiles have names that clash with existing operating
system files.
4. When exporting, it is advisable to also produce a report showing
information you may need before / after the import:
-> List the tablespaces and datafiles
-> List the rollback segments
-> List a count, by user, of each object type such as tables,
indexes, etc.
This enables you to ensure that tablespaces have been pre-created
and to check the success of the import after it is complete.
5. If you are creating a completely new database from an export, remember
to create an extra rollback segment in SYSTEM, and make this available
in the init.ora file before proceeding with the import.
6. There are some versions of export that do not retain sequence numbers
correctly. It is advisable to select next_value for each sequence
after the export so that these can be checked after import.
Following these guidelines will help you to avoid major problems.
Doc ID: Note:174226.1
Subject: How To Copy an Oracle Database To Another Machine
Type: HOWTO
Status: PUBLISHED
Content Type: TEXT/X-HTML
Creation Date: 12-OCT-2001
Last Revision Date: 01-OCT-2003
goal: How to copy an Oracle database to another machine
fact: Oracle Server - Enterprise Edition
fix:
Pre-requisites: The copy is between 2 machines, both have to be on the same OS
and have to have exactly the same database version installed.
1. Make sure the database you want to copy was closed with a SHUTDOWN IMMEDIATE,
SHUTDOWN NORMAL or SHUTDOWN TRANSACTIONAL.
2. Copy init.ora and control files to create instance and be able to go in
mount mode. Check the init.ora for the locations where the controlfiles have
to be, if those locations are not valid on the machine put the control files on
different places and adjust the init.ora accordingly.
3.a. Copy the datafiles (all of them).
b. Copy the redo-logfiles (all of them).
4.a. (Unix only) Set the environment variables:
ORACLE_SID - set to the database name you wish to create
ORACLE_HOME - set to full pathname of the Oracle system home directory
PATH - needs to include $ORACLE_HOME/bin
b. (NT/2000 only) Do 'set ORACLE_SID=<SID>'
Use oradim to create the service for the instance. For more information
on oradim please refer to (the part that refers to creating a new instance):
Note:68720.1 Creating a new 7.3, 8.0, 8.1 Instance/Database
5. Use servermanager (check the name to use for your version of oracle) or
sqlplus (version 9i and above) to startup the database in mount mode.
Do
CONNECT INTERNAL/<PASSWORD>
then
STARTUP MOUNT
Then do a rename of the copied datafiles if they are not in the same path as on
the other machine. For all the files that are in the result of the query:
SELECT NAME FROM V$DATAFILE;
do
ALTER DATABASE RENAME FILE '<oldfullpath>\<filename>' to <
newfullpath>\<filename>';
6. Query the datadictionary for the old location of the redolog files using:
SELECT MEMBER FROM V$LOGFILE;
If the new place is not the same as the old do:
ALTER DATABASE RENAME FILE '<oldfullpath>\<redologfilename>' to &
lt;newfullpath>\<redologfilename>';
7. Now open the database:
ALTER DATBASE OPEN;
******************************************************************

Auditing in oracle 10g database and oracle 10g application server

Dear friends,
We have oracle 10g application server and oracle 10g database server in place.My criteria is to audit users connected using oracle application user credentials to the database.
Can you please tell me how can i do it.
Thanks & regards,

Its the database connection you want to track. The session audit will show where it came from.
Auditing is turned using this command:
alter system set audit_trail = DB scope=spfile;
Note: The use of spfile will require a DB bounce before audit starts
To audit Sessions:
audit create session;
Query by Audit Type:
SELECT A.USERNAME,
OS_USERNAME,
A.TIMESTAMP,
A.RETURNCODE,
TERMINAL,
USERHOST
FROM DBA_AUDIT_SESSION A
WHERE USERHOST = <replace with iAS servername> ;
By User
SELECT USERNAME,OBJ_NAME,ACTION_NAME , TIMESTAMP
FROM DBA_AUDIT_TRAIL WHERE USERNAME = 'SCOTT';
Check for users sharing database accounts
select count(distinct(terminal)),username
from dba_audit_session
having count(distinct(terminal))>1
group by username;
Attempts to access the database at unusual hours
SELECT username, terminal, action_name, returncode,
TO_CHAR (TIMESTAMP, 'DD-MON-YYYY HH24:MI:SS'),
TO_CHAR (logoff_time, 'DD-MON-YYYY HH24:MI:SS')
FROM dba_audit_session
WHERE TO_DATE (TO_CHAR (TIMESTAMP, 'HH24:MI:SS'), 'HH24:MI:SS') <
TO_DATE ('08:00:00', 'HH24:MI:SS')
OR TO_DATE (TO_CHAR (TIMESTAMP, 'HH24:MI:SS'), 'HH24:MI:SS') >
TO_DATE ('19:30:00', 'HH24:MI:SS');
Attempts to access the database with non-existent users
SELECT username, terminal, TO_CHAR (TIMESTAMP, 'DD-MON-YYYY HH24:MI:SS')
FROM dba_audit_session
WHERE returncode <> 0
AND NOT EXISTS (SELECT 'x'
FROM dba_users
WHERE dba_users.username = dba_audit_session.username);
Other audits you might consider:
audit grant any object privilege;
audit alter user;
audit create user;
audit drop user;
audit drop tablespace;
audit grant any role;
audit grant any privilege;
audit alter system;
audit alter session;
audit delete on AUD$ by access;
audit insert on AUD$ by access;
audit update on AUD$ by access;
audit delete table;
audit create tablespace;
audit alter database;
audit create role;
audit create table;
audit alter any procedure;
audit create view;
audit drop any procedure;
audit drop profile;
audit alter profile;
audit alter any table;
audit create public database link;
Best Regards
mseberg

How to store photo images and thumbimpressions in oracle 10g database

Hi all
I have an web application running in Oracle 10g rel 1 database server in RHEL3. It has application server with forms and j2ee component as middle tier. I need to store centrally photo images and thumb impressions and use it in our application without any overhead on retrieval and performance of web application. what will be optimized method of storage of photo and thumb impressions. Awaiting your valuable suggestions.
Regards
Vijay Kumar

Hi Vijay,
How to store photo images and thumbimpressions in oracle 10g database I have working code here for storing photos in Oracle tables that you may find useful:
http://www.dba-oracle.com/t_storing_insert_photo_pictures_tables.htm
Hope this helps . . .
Donald K. Burleson
Oracle Press author
Author of "Oracle Tuning: The Definitive Reference"
http://www.rampant-books.com/book_2005_1_awr_proactive_tuning.htm

What is the function of _xdb and _xpt services in oracle 10g database.

what is the function of xdb and xpt services in oracle 10g database.?

Hi,
If you are troubleshooting check the below link too:
Issues installing. Listener not working
Best regards,
Rafi.
http://rafioracledba.blogspot.com/

10g database, cluster on aix and jdeveloper

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