Must Oracle VM Server and Oracle VM Manager be installed on separate hosts?

I have only one physical server that will be used to install Oracle VM Server for x86.
On that server, I will create several virtual machines running OEL5u5.
Can I install VM Manager (GUI interface, not CLI) on one of the virtual machines (not dom0)?

Hi,
the provided XE database for OVM manager is also only 32-bit. For this reason only a 32-bit template is provided. (No need for 64-bit).
Also I am not sure if any of the java stuff of OVM manager would profit from 64-bit.
And since the software is only 32-bit, it does not make sense to provide 64-bit just for the OS.
I am not sure, if this will change with the next release of OVM. But honestly... there is not a lot of data to be maintained, so there is really no necessity to have the OVM manager on 64-bit.
For "small" applications, which don't need 64-bit (like memory etc.) 32-bit is faster!
Regards
Sebastian

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Connection between oracle 9i server and oracle 9i client

hi there,
i have installed both oracle 9i server and oracle 9i client in my system.how can i connect these two to have connection between these server and client?
Because i was using only 9i server for creating database and for other purposes.i have not used 9i client yet.
Please write me the answer.
Thanks in advance.

Hi Balu,
If you have the Oracle 9i Client, you can just edit your TNSNAMES.ora file of your client to have a TNS Entry for your new Database & try connecting it. You just need to try TNSPING & ensure that you can reach the Listener.
Are you facing any specific problems ?
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Sandeep

Installation of Oracle Application Server and Oracle forms 10g

I am currently using form 6i and Oracle 10g in my home. but i want to
Install and setup Forms 10g on my Pentium IV PC with oracle Application server 10g.
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You can download the documentation from otn.oracle.com or if u have dvd/cd
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Can you quantify "different format"? I'm hard-pressed to imagine how many ways character data can be formatted.
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JDBC runtime error (Oracle 9i server and oracle 8i client)

Hi,
Wud someone help me with this? Why am I getting this run-time error in the java application?
D:\shilpa\javaprogs>java -classpath %classpath%;.; CreateMovieTables
javax.naming.NoInitialContextException: Need to specify class name in environmen
t or system property, or as an applet parameter, or in an application resource f
ile: java.naming.factory.initial
at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:6
40)
at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:243
at javax.naming.InitialContext.getURLOrDefaultInitCtx(InitialContext.jav
a:280)
at javax.naming.InitialContext.lookup(InitialContext.java:347)
at CreateMovieTables.initialize(CreateMovieTables.java:18)
at CreateMovieTables.main(CreateMovieTables.java:101)
This is how I have created the data source:
public void initialize() throws SQLException, NamingException
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          DataSource dataSource   = null;
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          connection = dataSource.getConnection();
     }I have set the classpath to: C:\j2sdk1.4.2_08\jre\lib where the jndi.properties file exists.
Here's the jndi.properties file:
datasource.name=oracle
datasource.url=jdbc:oracle:thin:@10.119.5.98:1521:sea77db0
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datasource.username=tr1
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After reading your posts, I noticed that my eyes were bleeding...
Wud someone help me with this?
Cud someone help me with this?
Thanks. It worked. BUt, IF i wanna ...
I don't[b] wanna...
what shud i do then?
Thought I should return the favor encapsulating the essence of this writing style:
So, IF i cud, I wud, but If i don't wanna shud i anyway?
Just funnin around... Good luck on your problem though.
Darn it, my eyes are bleeding again!

Diff Between Oracle BPM Studio and Oracle BPEL Process Manager

1)What is the difference between Oracle BPM Studio and Oracle BPEL Process Manager?
2)What is the connection between Oracle BPM Studio and Oracle BPEL Process Manager?

Hi,
As of today you should install SOA Suite 11g
Fr this you will need to install Database (for development you can use XE)
Run RCU utility to crete DB schemas for SOA Suite.
Install Weblogic server
Install SOA Suite as an option to Weblogic
Create SOA Domain.
It is physically possible to do it in 2GB but is far better on 3 - 4GB
You can consider installing DB on different machine.
Adam

JHeadstart, Oracle Business Rules and BPEL Process Manager

Dear JHeadstart Team,
I have some questions regarding integration of JHeadstart and Oracle Business Rules and Oracle BPEL Process Manager. As a matter of fact I don't have any work expriences with these tools so my questions may not be good and precise.
1- Using a business rule engine can dramatically increase speed of development and ease of maintenance.I had a very good exprience in using JHeadstart and Headstart in the past but I wanted to know if it is possible to use Oracle Business Rules in conjunction with the JHeadstart ? If so, What steps should be taken? Is there any known issue about this integration? Does Oracle Business Rules have any interference with JHeadstart or it is only used in model layer during insert,update,delete?
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Any help,link to documents or general guidelines would be highly appreciated.
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Couple of things I would like to add, are the following.
In the context of an ADF application usage of Oracle Business Rules most likely is in the business logic layer, but mind that it does not need to be restricted to that.
Oracle Business Rules takes so called 'facts' as input, evaluates some rules based on that and change those facts or return some result. That might be checking a business rule as defined in the JHeadstart Developers Guide. But it might also return some value that is used in a navigation rule.
Think about a page flow where after page A normally page C is presentend, but in case of some situation (like a customer ordered something and you want to present some special offering based on that) you want page B presented in between (i.e. A -> B -> C). Oracle Rules could be used to determine this page flow. This would be an example of using it in the controller layer (probably in combination with using facts that come from the model layer).
Another remark that I would like to make, is that in my opinion it does not make much sense to use Oracle Rules for business rules that logically more or less are part of your data model (like end date must be on or after begin date). You typically use Oracle Rules to implement business rules that are of a volatile nature, meaning that day-to-day business may require a change of the rules. One example is the navigation case that I mentioned before. Another (typical) example would be a rule that defines when a customer is a Gold customer.
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Window oracle job scheduler and Oracle server scheduler relationship

Hi Experts,
We use oracle 10G R4 in window 2003 server.
From window server panel,we can see OracleJobSchedulerORCAID server is disable. However, I check oracle Jobs from EM.
I can saw schedule jobs are running in there.
What relationship is between window scheduler server and Oracle Schdeler?
As I know we can stop/start window Oracle database serve,r DBconsle EM server and Listener server in window server to control oracle
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Thanks Experts to explaining?
JIm

10g R4 is not an existing Oracle version. 10.2.0.4 is.
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Sybrand Bakker
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Application Server and Oracle Apps - basic doubts

Hello
I am pretty new to Oracle 9iAS and Oracle Apps 11i
Please clarify my basic doubts
Read that Oracle9i AS Components are :
- J2EE and Internet Applications (sub-components are Oracle HTTP Server, OC4J, Web services etc)
- Portals
- Wireless
- Web cache
- Business Intelligence
- E-Business Integration
Read that middle tier of Oracle Apps has following servers
- Web server
- Forms server
- Concurrent Processing server
- Reports server
- Discoverer server (optional)
- Admin server
My doubts are -
1. When Oracle Apps 11i is installed, Oracle 9iAS becomes the middle tier of it
Yes / No / Partailly ?
2. If partially, then only the 'J2EE and Internet Applications' component is installed
Yes / No / Partially ?
3. If partially, then Web server (Oracle HTTP Server) and Forms server come from Oracle 9iAS and Report Server, Concurrent Processing server, Admin server etc seperate components only specific to Oracle Apps 11i ?
Yes / No
Please let me know the answers with the explanation
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Oracle Applications 11i uses Oracle 9iASv1 (10222, specifically) as the underlying midtier technology stack. The latest release of 11i (11.5.10), to be released this summer, can leverage specific features of Oracle AS 10g (904), namely SSO authentication and OID user management, Portal, and Discoverer. This capability will be backported to 11i releases 11.5.8 and 11.5.9, and is currently available now to limited customers through the Early Adopter program. When installed in this configuration, there is a 9iASv1 tech stack installed as part of the 11i installation, and a separate AS 10g installed for SSO, OID, Portal, Discoverer, and any other AS products the customer may be using. Aside from SSO, OID, Portal, and Disco, 11i does not yet run on other components of 9iAS or 10g (e.g., OC4J). Applications plans to move to 10g as the underlying tech stack in a future release.
John

DSNless connection to SQL Server and Oracle

hi,
how can i connect to SQl Server and Oracle without specifying the DSN.
zulfgi

My favorite reply again:
Someone wrote in a newsgroup about configuring some kind of "temporary DSN".
His example was for Excel, but it will maybe work the same way for other drivers:
db = DriverManager.getConnection(
"jdbc:odbc:Driver={Microsoft Excel Driver (*.xls)};DBQ=c:/temp/test2.xls;DriverID=22;READONLY=false","","");
Also someone else suggested for SQLServer:
db = DriverManager.getConnection("jdbc:odbc:Driver={SQL Server};Server=MyServerName;Database=MyDataBase","","");
Find out the right driver clause for Oracle; look at the names the control panel ODBC manager shows.
Regards,
Hartmut

Entity Framework - Code First - Migration - How to access SQL Server and Oracle using the same context?

Hello,
I use Entity Framework code first approach.
My project is working fine with SQL Server. But, I want to access Oracle too. I want to switch SQL Server and Oracle in run time.
I am able to access Oracle using "Oracle.ManagedDataAccess.EntityFramework.dl" in a new project.
But, Is this possible to access SQL Server and Oracle in the same project.
Thanks,
Murugan

This should be possible with a Code-First workflow. In Code-First the database mapping layer is generated at runtime.
David
David http://blogs.msdn.com/b/dbrowne/

Different output of same query in SQL Server and Oracle

I have two tables table1 and table2
--table1 has two columns c1 int and c2 varchar. there are not constraints added in it. it has data as given below
c1     c2
6     d
5     j
102     g
4     g
103     f
3     h
501     j
1     g
601     n
2     m
--table2 has only one column c1 int. there are not constraints added in it. it has data as given below
c1
6
1
4
3
2
now when i run below given query in sql server and oracle it gives me different result
select *
from table1
     inner join (SELECT ROW_NUMBER() OVER (order by c1 ASC) AS c1 from table2) table2 on table2.c1=table1.c1
sql server output
c1     c2     c1
1     g     1
2     m     2
3     h     3
4     g     4
5     j     5
oracle output
C1 C2 C1
5 j 5
4 g 4
3 h 3
1 g 1
2 m 2
If you notice the first column in both output. It is sorted in sql server and not in oracle.
Why it is behaving differently in oracle? Is there any way I can solve this in oracle?
Thanks,
Jigs

It is NOT behaving "differently" in Oracle; you just haven't specified an order that you expect your results to be in, so you're going to get output in whatever order the database fancies displaying it (ie. no guarenteed order). This is an artifact of how the database chooses to put together the data, and different databases (or even datasets within the same database) can and most likely will behave differently.
Even SQL Server won't guarentee to always get your data in an ordered fashion if you exclude the order by clause, even if you think it has always output the data in an ordered fashion.
Your solution is to add an order by clause, in BOTH databases, to force the order of the output data.

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

NVARCHAR - NVARCHAR2 datatype mapping between sql server and oracle.

Question regarding size allocation that occurs for NVARCHAR columns in sql server to NVARCHAR2 in Oracle in the migration tool.
The migration tool has converted NVARCHAR columns to be twice their size as NVARCH2 in Oracle. Example, a table whose column is mycol NVARCHAR(40) gets migrated as mycol NVARCHAR2(80).
In SQL Server land, the designation of a column as NVARCHAR(40) will physically store the column as 80 bytes. However, as I understand from this excerpt (taken from here: http://www.oracle.com/technology/oramag/oracle/03-nov/o63tech_glob.html), that Oracle in essence will do the same thing for NVARCHAR2:
To make it easy to allocate proper storage for Unicode values, Oracle9i Database introduced character semantics. You can now use a declaration such as VARCHAR2(3 CHAR), and Oracle will set aside the correct number of bytes to accommodate three characters in the underlying character set. In the case of AL32UTF8, Oracle will allocate 12 bytes, because the maximum length of a UTF-8 character encoding is four bytes (3 characters * 4 bytes/character = 12 bytes). On the other hand, if you're using AL16UTF16, in which case your declaration would be NVARCHAR2(3), Oracle allocates just six bytes (3 characters * 2 bytes/character = 6 bytes). One difference worth noting is that for UTF-8, a declaration using character semantics allows enough room for surrogate characters, whereas for UTF-16 that is not the case. A declaration such as NVARCHAR2(3) provides room for three UTF-16 code units, but a single supplementary character may consume two of those code units.
As I read this, NVARCHAR(40) in sql server should be equivalent to NVARCHAR2(40) in Oracle and not NVARCHAR2(80) as it gets translated to - am I missing something? We have a rather large database to migrate so I need to get this size allocation right (and I obviously don't want to truncate any data).
Thanks -

Right - well, that's what I'm suggesting is that NVARCHAR(8) in SQL Server is equivalent to NVARCHAR2(8) in Oracle. Truncation will occur after 8 of any character, including, say, double byte Kanjii characters, which would physically store 16 bytes in the NVARCHAR(8) NVARCHAR2(8) column defn. I tried that in both SQL Server and Oracle, and the behavior is the same.
Also, technically, NVARCHAR2(8) and VARCHAR2(8 CHAR) is roughly the same in terms of behavior, except that in the first case, the physical storage is 16 bytes, while in the second case, it's 24 bytes (to account for 'supplemental' characters or true UTF-8 compliance). Same truncation occurs after 8 of -any- character be it single byte ascii or double byte kanjii, which is the behavior I expect.
Thanks for looking into this. What I decided to do was the following:
What was originally defined in SQL Server as varchar (and translated to VARCHAR2 with the CHAR designation), I removed the CHAR designation since I truly want that number of bytes to be stored, and not characters (for columns I do not care about UTF8 or 16 compliance - that will also mimic the same behavior I currently have on the SQL Server side. For anything that was nvarchar in SQL Server, I went ahead and created them as VARCHAR2 with the CHAR designation, with the same size (not double the value as was in SQL Server which the documentation says it gets translated to). I did this since we probably will need true UTF-8 compliance down the line, and since I had the hood open, it was easy enough to do. I could also have converted NVARCHAR(n) to NVARCHAR2(n) (and not n*2) as what was happening in the migration.
I tested strings in both cases, and I think I have my solution.
Edited by: kpw on Sep 24, 2008 11:21 AM

Compare SQL Server and Oracle syntax

Hello, I am very new to the Oracle DB as I have been working with MS SQL Server for many years. I have a SQL statement that works fine in MSSQL but seems to not work in Oracle. Is this a syntax problem or do I need to look elsewhere?
DECLARE @as_master_key varchar(26)
EXEC [dbo].[GET_UNIQUE_MASTER_KEY]
     @as_project_name = N'CMDEMO',
     @as_database_site = N'CMPL',
     @as_user_initials = N'SK',
     @as_table = N'SUBMITTAL_CATEGORY',
     @as_master_key =
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OUTPUT SELECT @as_master_key as N'master_key'
This is what I use in MSSQL and it works fine - but I am porting this application to an Oracle backend and it fails. Any suggestions?
Thanks in advance to this newbie. :)

SQL Server and Oracle are two completely different RDBMS'.
You'd be best not to try and port SQL Server code to Oracle SQL or PL/SQL directly as it will not favour the power of Oracle's features correctly.
I'm not sure what your code is supposed to be doing (I find SQL Server code awful to read, and never understand the need for "@" before variable names, that just seems to show a lazy parser (or lazy coder who designed the parser)).
From what I can guess it's going to be something like...
SQL code...
create or replace sequence my_master_key;PL/SQL code...
DECLARE
as_master_key number;
as_project_name varchar2(20) := 'CMDEMO';
as_database_site varchar2(20) := 'CMPL';
as_user_initials varckar2(5) := 'SK';
as_table varchar2(30) := 'SUBMITTAL_CATEGORY';
BEGIN
select my_master_key.nextval
into as_master_key
from dual;
-- In 11g you could replace this select with just:
-- as_master_key = my_master_key.nextval;
END;This get's a unique sequence value into a variable and declares all the other variables. What you want to do with them after that I don't know.

Must Oracle VM Server and Oracle VM Manager be installed on separate hosts?

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