Oracle and RHEL 5

Red Hat Enterprise Linux 5 has been released.
Will Oracle's Unbreakable Linux support version 5 also?
N.J.

NJ,
Oracle has a large-scale testing infrastructure where we test new Linux releases using real-world -- sometimes very large-- customer workloads. I expect testing of RHEL5 to take another few weeks to ensure stability, robustness and interoperability. Once RHEL5 passes the tests, we will release Enterprise Linux 5, downloadable for free, and will begin offering support through the Unbreakable Linux Support program.
Sergio

Similar Messages

Diff between OEL AND RHEL

Hi,
Can someone please help me to understand differences between Oracle Enterprise Linux 5 and RHEL 5 or some sort of comparision. I know some people prefer Oracle Enterprise Linux for Development/UAT environment and RHEL for Production. Assume if both are same then why people prefered RHEL for Production and why not Oracle Enterprise linux.
Kindly share your thoughts, views, suggetions...
Thank You,

Duplicate thread. Oracle Enterprise Linux 5 VS. RHEL 5
Locking thread.
Sergio

I would like to know the difference between OEL and RHEL

I would like to know the difference between OEL and RHEL, are they same?
If I test any application on RHEL, will it work on OEL too.
Thanks
Edited by: user10685113 on 08-Aug-2012 05:35

The name OEL as such is not used anymore, since the product was renamed from Oracle Enterprise Linux to Oracle Linux with the release of version 5.5 in September 2010.
The main technical difference between Oracle Linux and RHEL is that Oracle Linux ships with an Oracle exclusive and optimized Oracle UEK kernel. It does however still install and provide the original and older RHEL kernel for fallback.
As of Oracle Linux 5.6, the Oracle UEK kernel is the default kernel. The current latest version of Oracle Linux 6.3 uses the Oracle UEK2 kernel, which is based on the Linux 3 kernel (2.6.39).
Oracle Linux is binary compatible with RHEL.
Oracle Linux has several advantages over RHEL, in particular if you plan to use it to install Oracle products.
• The same kernel UEK and UEK2 versions are available for Oracle Linux 5.x and 6.x
You do not necessarily need to perform a complete and unsupported system upgrade to use a newer kernel version and drivers.
• Oracle Pubilc YUM
Oracle provides a public yum repository for installing software packages including the latest patches. RHEL does not and requires a paid subscription for online access.
• Oracle specific drivers and software
Oracle Linux provides additional software and kernel drivers, for Oracle clustering, Dtrace, BtrFS and ASM, which is not available for RHEL 6.
Oracle Linux provides additional packages which trigger the automatic installation of system software prerequisites, including kernel parameters and oracle account setup to install Oracle Database:
oracle-validated (Oracle Linux 5)
oracle-rdbms-server-11gR2-preinstall (Oracle Linux 6)
And last not least you have just one vendor and support requirement for Oracle products.
Have you checked the Internet:
http://www.oracle.com/us/technologies/linux/index.html
https://linux.oracle.com
To obtain Oracle Linux:
https://edelivery.oracle.com/linux
https://wikis.oracle.com/display/oraclelinux/Downloading+Oracle+Linux (alternative)
Edited by: Dude on Aug 8, 2012 2:29 PM

Replica hyper for database oracle on rhel guest

hi
I would like to know if the replica hyper v works with a database oracle on rhel .
Thanks

Short answer - Yes. Hyper-V Replica is workload agnostic and can take regular app consistent snapshots if needed.
Praveen
For Windows VMs that means VSS so it's not transaction-aware. For Linux/FreeBSD/Solaris etc VMs that means nothing as there's no VSS equivalent (special backup apps need to install agents who run scripts to initiate file system syncs before taking VM snapshots).
Even with MSFT native apps like Exchange (NOT supported AT ALL), SQL Server (not supported with some scenarios like the ones using built-in replication). So I'm a bit surprised to see posts from MSFT staff telling Hyper-V Replica is workload agnostic :( Can
you please clarify? See:
Exchange is NOT supported with Hyper-V Replica
http://blogs.technet.com/b/rmilne/archive/2013/07/29/exchange-and-hyper-v-replica-support.aspx
"In short, Exchange does not support
the Hyper-V Replica feature. Exchange has a long history of supporting virtualisation from Exchange
2003 onwards. It is fully supported to install Exchange 2007, 2010 or 2013 as
a virtual machine on Hyper-V, but using the Hyper-V replica feature is not supported."
SQL Server and Hyper-V Replica = bad idea...
http://windowsitpro.com/hyper-v/hyper-v-replica-sql-server
SQL
Server Support Policies
http://support.microsoft.com/kb/956893/en-us
SQL Server on Hyper-V Replica is supported provided the EnableWriteOrderPreservationAcrossDisks flag
is set.
Note To set the EnableWriteOrderPreservationAcrossDisks flag, run the following cmdlet:
Set-VMReplication -VMName <<var>vm-name</var>> -EnableWriteOrderPreservationAcrossDisks 1
Exceptions
If multiple SQL VMs are tightly coupled with one another, individual VMs can failover to the disaster recovery (DR) site but SQL high availability (HA) features inside the VM need to be removed and re-configured after VM failover. For this reason the following
SQL Server features are not supported on Hyper-VM Replica:
Availability Groups
Database mirroring
Failover Cluster instances
Log shipping
Replication"
Thanks!
StarWind VSAN [Virtual SAN] clusters Hyper-V without SAS, Fibre Channel, SMB 3.0 or iSCSI, uses Ethernet to mirror internally mounted SATA disks between hosts.

What is the difference between Oracle and MySQL

Hi,
I would like to know the major difference between Oracle and MySQL. I have a project to generate XML files from database tables, i have used oracle's built XML functions XMLELEMENT, XMLATTRIBUTES, XMLFOREST, XMLAGG. I really want to know if these functions (or) similar functions are supported/availabe in MySQL.
I am having a hard time to find out best linux distro for installing Oracle11g, so i am planning to switch to MySQL. Please help, Thanks in advance.

Oracle_Walker wrote:
Hi,
<snip>>
I am having a hard time to find out best linux distro for installing Oracle11g, Then you must be "looking for love in all the wrong places."
What's so hard about finding a "best linux distro for installing Oracle11g"? The supported distros are listed in the fine Installation Guide for Linux. At the top of the list is Oracle's own Oracle Linux, which is in the same family as Red Hat.
so i am planning to switch to MySQL. Please help, Thanks in advance.

Oracle and empty strings

Hi All,
i'm porting my application to Oracle and i'm experiencing (big) issues since empty strings are treated as null by Oracle.
This is a big issue for me since my application uses empty and null values as two different things (indeed they are different !!), ie, i'm not having null pointer exception, but wrong behavior.
I'm thinking what's the best approach to follow since my appl. must work also on mysql and postgres.
Three options at the moment:
1. implement a jdbc wrapper that converts any empty string in something like '~'.
2. using aspectj, add some aspects to setString/getString converting any empty string in something like '~'.
3. buy a commercial driver that makes difference between empty and null (using aforementioned approaches ?).
I think that this difference in Oracle is really an impediment in doing applications db neutral and I'd like to ask your opinion about the best solution (if someone already resolved it as i guess).
Does anyone know if there are commercial jdbc driver that can help me ?
Does anyone know how ORM frameworks (like hibernate) handle this case ?
Thanks in advance
ste

jschell wrote:
nichele wrote:
jwenting wrote:
If NULL really is different in your context from an empty string you're going to have to define some sequence of characters as indicating an empty string.yes, this is what i need to implement.Sounds like a flawed design then.
I'm wondering what's the best approach in order to avoid to change all my application isolating this behavior somewhere (wrapping the jdbc driver for instance).That doesn't make much sense to me. You should already have a database layer. You change the database layer. If you don't have a database layer then that means you have another design flaw. And in that case I would really not be the one that needs to maintain that code base.I thought a bit about the value of your answer...but i didn't find it ....sorry but i don't like who replies on forum just to say bad design/bad choice etc...if you have any kind of suggestion you are welcome, otherwise you can spend your time in doing something else instead of reply to this thread.

Question regarding Oracle and Linux on VMware

Hello,
I carefuly read the paper on Oracle and Linux on Your Own VMware and I'm missing a point.
The paper explains how to start a cluster on a single host in a single Linux VM on VMware.
So, there are 2 instances of Oracle 10g DB on the same Linux VM inside VMware. What does allow that?
Is it possible to run 2 instances on any (single) Linux box, or is VMware required? If VMware is not required, why this complication in that paper? If VMware is required, what does it bring that make running 2 cluster instances on the same host possible?
Many thanks for your help.

userLynx wrote:
I have an oracle database (10.2) and I have a query that needs to compare data on the Oracle database to data on a MS SQL server DB. I'm using a DB Link between the two databases.
How would I compare the date fields?
I have a table that has a date as one of the fields and I need to restrict the records where the date is equal to the date on SQL, however the formats are different:
My query is as follows:
SELECT mkt_css_name,
pmv_rqst_corp_id,
pmv_rqst_source,
'G',
pmv_css_acct_no,
eq.start_date
FROM power_move@cmdt,
enroll_que@tcis eq,
marketer@cmdt
WHERE eq.css_account_number = pmv_css_acct_no
AND eq.requestor_type = 'P'
AND eq.status IN ('A','P','G','S')
AND eq.marketer_id = mkt_seq_no
AND pmv_service_type IN ('G','D')
And Pmv_Gas_Mktr_No = Eq.Marketer_Id
AND pmv_received_timestamp= eq.enroll_date ;
The problem is that the date is stored in Oracle in the following format: DD-MON-YYYY and in SQL as 'YYYY-DD-MM HH:MI:SSSSSS'
for example: Data in Oracle would be 27-JAN-2012 and in SQL as 2012-01-27 00:00:00.000
I get an error when I compile.
How do you reconcile the formats when the syntax is different between databases?
Thanks, SeanDATE datatypes do NOT have any "format"
DATE datatype is stored in internal binary notation.
use TO_CHAR to display, present & compare the DATE datatypes

How do I set miminum # of connections for pool with Oracle and Tomcat?

Hi,
I can't seem to find any attribute to initialize the number of connections for my connection pool. Here is my current context.xml file under my /App1 directory:
<Context path="/App1" docBase="App1"
debug="5" reloadable="true" crossContext="true">
<Resource name="App1ConnectionPool" auth="Container"
type="oracle.jdbc.pool.OracleDataSource"
driverClassName="oracle.jdbc.driver.OracleDriver"
factory="oracle.jdbc.pool.OracleDataSourceFactory"
url="jdbc:oracle:thin:@127.0.0.1:1521:oddjob"
user="app1" password="app1" />
</Context>
I've been googling and reading forums, but haven't found a way to establish the minimum number of connections. I've tried all sorts of parameters like InitialLimit, MinLimit, MinActive, etc, with no success.
Here is some sample code that I am testing:
package web;
import oracle.jdbc.pool.OracleDataSource;
import oracle.jdbc.OracleConnection;
import javax.naming.*;
import java.sql.SQLException;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.Properties;
public class ConnectionPool {
String message = "Not Connected";
public void init() {
OracleConnection conn = null;
ResultSet rst = null;
Statement stmt = null;
try {
Context initContext = new InitialContext();
Context envContext = (Context) initContext.lookup("java:/comp/env");
OracleDataSource ds = (OracleDataSource) envContext.lookup("App1ConnectionPool");
message = "Here.";
     String user = ds.getUser();
if (envContext == null)
throw new Exception("Error: No Context");
if (ds == null)
throw new Exception("Error: No DataSource");
if (ds != null) {
message = "Trying to connect...";
conn = (OracleConnection) ds.getConnection();
Properties prop = new Properties();
prop.put("PROXY_USER_NAME", "adavey/xxx");
if (conn != null) {
message = "Got Connection " + conn.toString() + ", ";
          conn.openProxySession(OracleConnection.PROXYTYPE_USER_NAME,prop);
stmt = conn.createStatement();
rst = stmt.executeQuery("SELECT username, server from v$session where username is not null");
while (rst.next()) {
message = "DS User: " + user + "; DB User: " + rst.getString(1) + "; Server: " + rst.getString(2);
rst.close();
rst = null;
stmt.close();
stmt = null;
conn.close(); // Return to connection pool
conn = null; // Make sure we don't close it twice
} catch (Exception e) {
e.printStackTrace();
} finally {
// Always make sure result sets and statements are closed,
// and the connection is returned to the pool
if (rst != null) {
try {
rst.close();
} catch (SQLException e) {
rst = null;
if (stmt != null) {
try {
stmt.close();
} catch (SQLException e) {
stmt = null;
if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
conn = null;
public String getMessage() {
return message;
I'm using a utility to repeatedly call a JSP page that uses this class and displays the message variable. This utility allows me to specify the number of concurrent web requests and an overall number of requests to try. While that is running, I look at V$SESSION in Oracle and occassionaly, I will see a brief entry for app1 or adavey depending on the timing of my query and how far along the code has processed in this example. So it seems that I am only using one connection at a time and not a true connection pool.
Is it possible that I need to use the oci driver instead of the thin driver? I've looked at the javadoc for oci and the OCIConnectionPool has a setPoolConfig method to set initial, min and max connections. However, it appears that this can only be set via Java code and not as a parameter in my context.xml resource file. If I have to set it each time I get a database connection, it seems like it sort of defeats the purpose of having Tomcat maintain the connection pool for me and that I need to implement my own connection pool. I'm a newbie to this technology so I really don't want to go this route.
Any advice on setting up a proper connection pool that works with Tomcat and Oracle proxy sessions would be greatly appreciated.
Thanks,
Alan

Well I did some more experiments and I am able to at least create a connection pool within my example code:
package web;
import oracle.jdbc.pool.OracleDataSource;
import oracle.jdbc.OracleConnection;
import javax.naming.*;
import java.sql.SQLException;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.Properties;
public class ConnectionPool {
String message = "Not Connected";
public void init() {
OracleConnection conn = null;
ResultSet rst = null;
Statement stmt = null;
try {
Context initContext = new InitialContext();
Context envContext = (Context) initContext.lookup("java:/comp/env");
OracleDataSource ds = (OracleDataSource) envContext.lookup("App1ConnectionPool");
message = "Here.";
     String user = ds.getUser();
if (envContext == null)
throw new Exception("Error: No Context");
if (ds == null)
throw new Exception("Error: No DataSource");
if (ds != null) {
message = "Trying to connect...";
boolean cache_enabled = ds.getConnectionCachingEnabled();
if (!cache_enabled){
ds.setConnectionCachingEnabled(true);
Properties cacheProps = new Properties();
cacheProps.put("InitialLimit","5");
     cacheProps.put("MinLimit","5");
cacheProps.put("MaxLimit","10");
ds.setConnectionCacheProperties(cacheProps);
          conn = (OracleConnection) ds.getConnection();
Properties prop = new Properties();
prop.put("PROXY_USER_NAME", "adavey/xyz");
if (conn != null) {
message = "Got Connection " + conn.toString() + ", ";
          conn.openProxySession(OracleConnection.PROXYTYPE_USER_NAME,prop);
stmt = conn.createStatement();
//rst = stmt.executeQuery("SELECT 'Success obtaining connection' FROM DUAL");
rst = stmt.executeQuery("SELECT user, SYS_CONTEXT ('USERENV', 'SESSION_USER') from dual");
while (rst.next()) {
message = "DS User: " + user + "; DB User: " + rst.getString(1) + "; sys_context: " + rst.getString(2);
message += "; Was cache enabled?: " + cache_enabled;
rst.close();
rst = null;
stmt.close();
stmt = null;
conn.close(OracleConnection.PROXY_SESSION); // Return to connection pool
conn = null; // Make sure we don't close it twice
} catch (Exception e) {
e.printStackTrace();
} finally {
// Always make sure result sets and statements are closed,
// and the connection is returned to the pool
if (rst != null) {
try {
rst.close();
} catch (SQLException e) {
rst = null;
if (stmt != null) {
try {
stmt.close();
} catch (SQLException e) {
stmt = null;
if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
conn = null;
public String getMessage() {
return message;
In my context.xml file, I tried to specify the same Connection Cache Properties as attributes, but no luck:
<Context path="/App1" docBase="App1"
debug="5" reloadable="true" crossContext="true">
<Resource name="App1ConnectionPool" auth="Container"
type="oracle.jdbc.pool.OracleDataSource"
driverClassName="oracle.jdbc.OracleDriver"
factory="oracle.jdbc.pool.OracleDataSourceFactory"
url="jdbc:oracle:thin:@127.0.0.1:1521:oddjob"
user="app1" password="app1"
ConnectionCachingEnabled="1" MinLimit="5" MaxLimit="20"/>
</Context>
These attributes seemed to have no effect:
ConnectionCachingEnabled="1" ; also tried "true"
MinLimit="5"
MaxLimit="20"
So basically if I could find some way to get these attributes set within the context.xml file instead of my code, I would be a happy developer :-)
Oh well, it's almost Miller time here on the east coast. Maybe a few beers will help me find the solution I'm looking for.

I am new to using Oracle, and I am trying to create an add/insert stored pr

I am new to using Oracle, and I am trying to create an add/insert stored procedure for a table. The PROD_CD and PLAN_CD fields in my table can have no value (empty or null) Can you please check my code and let me know what I am doing wrong?
Table definition:
CREATE TABLE DCWEB.USER_PLAN_PREFERENCE
USERID VARCHAR2(40) NOT NULL,
PROD_CD VARCHAR2(9) NULL,
PLAN_CD VARCHAR2(9) NULL,
STATE_LST VARCHAR2(2) NOT NULL,
STATE_NM VARCHAR2(40) NOT NULL,
LST_UPDATE_TS TIMESTAMP(6) DEFAULT CURRENT_TIMESTAMP NOT NULL
ALTER TABLE DCWEB.USER_PLAN_PREFERENCE
ADD CONSTRAINT USER_PLAN_PREFERENCE_XPK PRIMARY KEY (USERID, PROD_CD, PLAN_CD);
-- Grant/Revoke object privileges
grant select, insert, update, delete on DCWEB.USER_PLAN_PREFERENCE to HIGGIB1;
Stored Procedure Definition:
procedure setUserPlanPref (
userid in varchar2,
prod_cd in varchar2,
plan_cd in varchar2,
state_lst in varchar2,
state_nm in varchar2
is
currentTimestamp timestamp := current_timestamp;
begin
insert into user_plan_preference (userid, prod_cd, plan_cd, state_lst, state_nm, lst_update_ts)
values (upper(userid), upper(prod_cd), upper(plan_cd), upper(state_lst), upper(state_nm), currentTimestamp);
commit;
exception
when dup_val_on_index then
begin
update user_plan_preference up set
up.userid = upper(userid),
up.prod_cd = upper(prod_cd),
up.plan_cd = upper(plan_cd),
up.state_lst = upper(state_lst),
up.state_nm = upper(state_nm),
up.lst_update_ts = currentTimestamp
where up.userid = upper(userid)
and up.prod_cd = upper(prod_cd)
and up.plan_cd = upper(plan_cd);
commit;
exception
when others then
rollback;
end;
when others then
rollback;
end;
end;
INPUT DATA
I am unable to insert a record calling the stored procedure with values: DCWEB4578, , 2P, CA, CALIFORNIA but when I change to the string "NULL", the insert succeeds. When I try to call the stored procedure to update the inserted record with values: DCWEB4578, "NULL", 2P, CO, COLORODO the update does not happen since I still see the original record in the table. Please advise. Thanks in advance for your help.

938319 wrote:
I am new to using OracleWelcome to the forum: please read the FAQ and forum sticky threads (if you haven't done so already), and ensure you've updated your profile with a real handle instead of "938319".
You'll get a faster, more effective response to your questions by including as much relevant information as possible upfront. This should include:
<li>Full APEX version
<li>Full DB/version/edition/host OS
<li>Web server architecture (EPG, OHS or APEX listener/host OS)
<li>Browser(s) and version(s) used
<li>Theme
<li>Template(s)
<li>Region/item type(s)
With APEX we're fortunate to have a great resource in apex.oracle.com where we can reproduce and share problems. Reproducing things there is the best way to troubleshoot most issues, especially those relating to layout and visual formatting. If you expect a detailed answer then it's appropriate for you to take on a significant part of the effort by getting as far as possible with an example of the problem on apex.oracle.com before asking for assistance with specific issues, which we can then see at first hand.
Thanks for posting the complete code, it makes it so much easier to understand the problem, but always post code wrapped in tags<tt>\...\</tt> tags to preserve formatting and special characters.
and I am trying to create an add/insert stored procedure for a table.Does this have anything to do with APEX, for which this is the forum? General SQL &amp PL/SQL matters should be directed to the {forum:id=75} forum.
The PROD_CD and PLAN_CD fields in my table can have no value (empty or null) Can you please check my code and let me know what I am doing wrong?This:
commit;
exception
when others then
rollback;
end;
when others then
rollback;Remove it all.
Commits should be issued by end user/client software on completion of a transaction. This means <tt>commit;</tt> should almost never appear in PL/SQL code. The main exception to this is in <tt>dbms_job/secheduler</tt> scheduled processes that have no client or UI. If this code is executed from APEX, then APEX issues more than enough commits anyway.
exceptions are just a way of ensuring your code is buggy.<tt>when others</tt> exceptions are just a way of ensuring your code is buggy.
INPUT DATA
I am unable to insert a record calling the stored procedure with values: DCWEB4578, , 2P, CA, CALIFORNIA but when I change to the string "NULL", the insert succeeds. When I try to call the stored procedure to update the inserted record with values: DCWEB4578, "NULL", 2P, CO, COLORODO the update does not happen since I still see the original record in the table. Please advise. Thanks in advance for your help.With the <tt>commit</tt>s and <tt>when others...</tt> removed from the code you'll have a chance of seeing what's actually happening. Note that the entire procedure can be simplified by writing as a MERGE</tt> statement.

Matching data types b/w oracle and sql server

anyone here knows if there is a list of data types supported by both oracle and sql server (regardless of releases & versions?
an immediate response would be highly appreciated.
thanks.

Hi,
The following post might be of assistance to you:
http://msdn.microsoft.com/en-us/library/ms151817.aspx
If this is what you're looking for, then mark the question as answered and closed.
Regards,
Naveed.

Hi All, We are in to Release 11.5.10.2.There is a specific requirement to Prevent users from creating Manual Sales Orders in oracle and yet users should be able to book the Sales Orders Imported from CRM system into Orcale.Please advise.

Hi All, We are in to Release 11.5.10.2.There is a specific requirement to Prevent users from creating Manual Sales Orders in Oracle and yet users should be able to book the Sales Orders Imported from CRM system into Orcale.Please advise.

Thanks for your advise.
However, I missed to mention that we have two set of users One is for Finished Goods and another for Spares.
Only Spares users need to be prevented from creating Direct/Manual Sales Orders in Oracle.
As you suggested, if this will be done at Form level, that may Disallow FG users also to create Manula Sales Orders which should not be the case.
Further, I tried to test one scenario through Processing Constraints but it did not work.
Application
OM
Validation Type
Entity
Temp
Short Name
TBL
Validation Semantics
Created By
Equal To
User(Myself)
Processing Cosntraint
Application
OM
Entity
Order Header
Constraint
Operation
User Action
Create
Not Allowed
Conditions
Group
Scope
Validation Entity
Record Set
Validation Template
101
Any
Order Header
Order
Above Created
Please advise.

How to find out when data was deleted from table in oracle and Who deleted that

HI Experts,
Help me for below query:
how to find out when data was deleted from table in oracle and Who deleted that ?
I did that to fidn out some data from dba_tab_modifications, but I m not sure that what timestamp shows, wether it shows for update,insert or delete time ?
SQL> select TABLE_OWNER,TABLE_NAME,INSERTS,UPDATES,DELETES,TIMESTAMP,DROP_SEGMENTS,TRUNCATED from dba_tab_modifications where TABLE_NAME='F9001';
TABLE_OWNER                    TABLE_NAME                        INSERTS    UPDATES    DELETES     TIMESTAMP         DROP_SEGMENTS TRU
PRODCTL                        F9001                                                     1683         46       2171            11-12-13 18:23:39             0                   NO
Audit is enable in my enviroment?
customer is facing the issue and data missing in the table and I told him that yes there is a delete at 11-12-13 18:23:39 in table after seeing the DELETS column and timestamp in dba_tab_modifications, but not sure I am right or not
SQL> show parameter audit
NAME                                 TYPE        VALUE
audit_file_dest                      string      /oracle/admin/pbowe/adump
audit_sys_operations                 boolean     TRUE
audit_syslog_level                   string
audit_trail                          string      DB, EXTENDED
please help
Thanks
Sam

LOGMiner --> Using LogMiner to Analyze Redo Log Files
AUDIT --> Configuring and Administering Auditing

How to create xml file from Oracle and sending the same xml file to an url

How to create xml file from Oracle and sending the same xml file to an url

SQL/XML (XMLElement, XMLForest, XMLAgg, etc) and UTL_HTTP.
Whether that works for you with the version of Oracle you have, your requirements, and needs is another story. A little detail goes a long way.

Need Expert Advice regarding oracle and java objects

In our project, we are submitting data for many screens at a time. Some screens will have a list of records to be submitted. There is also some hierarchy among the data up to 4 levels.
In such a scenario, we need to know the best way to exchange data between Oracle and Java. Currently java holds the data as objects, where each object may contain an array of next level of objects in it.
Is it best approach to pass the entire data with hierarchy to Oracle using nested table approach and internally oracle handling the data? Is there any other way to do this?
Also in some scenarios we need to pass the entire information for all the screens in one shot with the hierarchy. So we need to know a solution for that also. Could you please help us in this regard?

See Oracle JPublisher technique to map Oracle object types to Java ones:
http://download-west.oracle.com/docs/cd/B10501_01/java.920/a96658/toc.htm
Rgds

Dual boot Windows Server 2008 R2 and RHEL 7 Server?

Do someone know how can I setup dual boot of Windows Server 2008 R2 and RHEL 7 Server?
I've tried to install Windows first, then shrink, then install RHEL there.
But GRUB2 loader doesn't offer to start Windows, only Linux in the menu. (probably Windows partition need to be added to grub2 somehow)

Hi Oleg Vazhnev,
Please refer to following article and check if can help you.
How
to add Vista/Windows 7 partition to Grub 2 (Ubuntu 9.10, Karmic Koala)
Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft
does not guarantee the accuracy of this information.
Meanwhile, please also refer to following video and check if can provide you more details of installation.
Install RHEL 7 in Legacy Mode (Dual Boot Windows Server
2008 R2)
Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft
does not guarantee the accuracy of this information.
If any update, please feel free to let me know.
Hope this helps.
Best regards,
Justin Gu

Oracle and RHEL 5

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