Differences between 11gr1 and 11gr2

Please can i be furnish with the differences between 11gr1 and 11gr2?
Thank you.

New Features Guide
http://docs.oracle.com/cd/E11882_01/server.112/e22487/toc.htm

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API differences between 11gR1 and 11gR2

Can anyone tell me if there are any api differences between oim 11gR1 and 11gR2 specifically. Also can we still use API's from oim 9.x in 11gR2.
Thanks

I think for lookup we can use tcLookupOperationsIntf API. You can refer old and new alternatives list here:
http://docs.oracle.com/cd/E21764_01/doc.1111/e14309/apis.htm#BCFDDFAI
Though this list doesn't have tcLookupOperationsIntf.
regards,
GP

Datagaurd Difference Between 11gR1 and R2

Guys,
Please can any one tell me crisply what is difference in oracle Datagaurd 11gR1 and 11gR2.
Thanks In Advance

1. Check [url http://www.oracle.com/pls/db112/portal.portal_db?selected=14&frame=]Documentation (look for "What's new" sections).
2. Dedicated forum {forum:id=849} - use forum search facility.

Features Difference between 6i and 11gr2 (forms/reports)..

Hi all,
I just upgraded my old style menu-driven application from forms/reports 6i to 11gr2 and don't add features of 11gr2
still now. So, Its look like old one (6i).
So, please guide me what features should I add (like look-wise, working-wise, performance-wise etc.),
so that my application look like latest technology.
Thanks and Regards.
Bhatt.

The biggest difference between Forms 6i and Forms 11g is: 1) the ability to use features of the 11g database, 2) use Java Beans in your form to extend/enhance the functionaly and look-n-feel, 3) import Java directly into your form and interact with the Java through PL/SQL, 4) and most importantly, it is the current supported version of Forms. These are just the highlights. There are other differences.
In all honesty, what features you use should be driven by the needs of your customer. If your customer needs the application to use the response from a web service, then I would look at implementing a Java Bean in your app to support this customer driven need. I wouldn't recommend adding features just for the sake of adding features if they don't provide direct benefit to your customer. Just my opinion. :)
Hope this helps,
Craig...

Query diferent output between 11gR1 and 11gR2

We have a complex query which has been working fine in 11gR1 and after changing aplication to 11gR2 it started generating an error.
This simple table and query shows the same error I am seeing.
In 11gR2 this first select gives an error ORA-00979
In 11gR1 it works fine
Create this table
CREATE TABLE TAB1
+(+
+"PKEY" NUMBER NOT NULL ENABLE,+
+"FKEY1" NUMBER ,+
+"FKEY2" NUMBER,+
CONSTRAINT "TAB1_PK" PRIMARY KEY ("PKEY") ENABLE
+)+
+;+
THIS SHOWS ERROR
select somenumber
from
+(+
SELECT
+(SELECT 1+
FROM DUAL
WHERE 99999=t1.fkey1
+) somenumber+
FROM tab1 t1
GROUP BY
t1.fkey1,
t1.pkey
+)+
ORA-00979: "not a GROUP BY expression"
Error at Line: 7 Column: 18
THIS WORKS (Substitute t1.pkey in GROUP by with t1.fkey2 - Here we see that error generated above is only generated when GROUP BY is done by primary key when using fkey2 it does not give error)
SELECT somenumber
FROM
+(+
SELECT
+(SELECT 1+
FROM DUAL
WHERE 99999=t1.fkey1
+) somenumber+
FROM tab1 t1
GROUP BY
t1.fkey1,
t1.fkey2
+)+
THIS WORKS (Add [+GROUP BY somenumber+] to end - should not be necessary since no distinct or aggregate function in outer select)
select somenumber
from
+(+
SELECT
+(SELECT 1+
FROM DUAL
WHERE 99999=t1.fkey1
+) somenumber+
FROM tab1 t1
GROUP BY
t1.fkey1,
t1.pkey
+)+
GROUP BY somenumber
Does anyone seen this behavior before?
Alexandre.

Looks like a bug in 11gr2 (i was able to reproduce your results) and tested against an XE instance where the query executes without problem (as in your 11gr1 instance).
Since you have a nice little demonstration set up you should easily be able to file a Metalink (MOS) incident and get Oracle looking at this.
Though for the example you've posted the simple fix would be to make the query less 'weird' :)
drop TABLE TAB1;
CREATE TABLE TAB1
   PKEY NUMBER NOT NULL ENABLE,
   FKEY1 NUMBER ,
   FKEY2 NUMBER
   , CONSTRAINT TAB1_PK PRIMARY KEY (PKEY) ENABLE
insert into tab1 values (1, 99999, 9);
insert into tab1 values (2, 0, 10);
Table dropped.
ME_XE?ME_XE? 2    3    4    5    6    7    8
Table created.
ME_XE?ME_XE?
1 row created.
ME_XE?
1 row created.
ME_XE?
ME_XE?
ME_XE?
ME_XE?
select somenumber
from
SELECT
(SELECT 1
FROM DUAL
WHERE 99999=t1.fkey1
) somenumber
FROM tab1 t1
GROUP BY
t1.fkey1,
t1.pkey
13 );
SOMENUMBER
      1
2 rows selected.
SELECT
   somenumber
FROM
      SELECT
         case when t1.fkey1 = 99999
         then
            1
         else
            null
         end as somenumber
      FROM
         tab1 t1
      GROUP BY
         t1.fkey1,
         t1.pkey
17     );
SOMENUMBER
      1
2 rows selected.
ME_XE?As i said, i can run this fine on my XE instance so i used that to demonstrate how i would rewrite the query which to me at least makes more sense.
And the run on my 11.2 instance
insert into tab1 values (1, 99999, 9);
insert into tab1 values (2, 0, 10);
1 row created.
TUBBY_TUBBZ?
1 row created.
SELECT
   somenumber
FROM
      SELECT
         case when t1.fkey1 = 99999
         then
            1
         else
            null
         end as somenumber
      FROM
         tab1 t1
      GROUP BY
         t1.fkey1,
         t1.pkey
17     );
SOMENUMBER
      1
2 rows selected.
TUBBY_TUBBZ?select * from v$version;
BANNER
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
PL/SQL Release 11.2.0.1.0 - Production
CORE     11.2.0.1.0     Production
TNS for Linux: Version 11.2.0.1.0 - Production
NLSRTL Version 11.2.0.1.0 - Production
5 rows selected.Edited by: Tubby on Sep 9, 2010 6:40 PM
Added 11.2 test run.

Differences between Oracle Real Application Cluster 11gR1 and 11gR2

Hi Experts,
Please provide me differences between Oracle RAC 11gR1 and 11gR2.
Thanks in Advance,
Jeeshan.

Hi,
You can also refer below Oracle notes :
11gR2 Clusterware and Grid Home - What You Need to Know (Doc ID 1053147.1)
Important Changes to Oracle Database Patch Sets Starting With 11.2.0.2 (Doc ID 1189783.1)
Regards,
Neha

Three major differences between 10gR2 and 11GR1

If you were asked to name three major differences between 10gR2 and 11GR1. What would it be?

Hi,
Please check:Database
Hope helps.
Regards,
X A H E E R

Difference between jsf and jspx

Hi
We can develop a adf page in either jsf or jspx. What is the difference between jsf and jspx?
which is more compatible in adf and why?

Hi.
The main difference in the version of JSF you are running on. In JSF 1.2 and lower, you built JSP pages. The JSPX extension means it was a JSP page using XML markup. This was (and still is) the default option in JDeveloper 11gR1.
JSF pages, introduced in JSF 2.0, use another view declation language called « Facelets ». They are the default in JDeveloper 11gR2 and will be in 12c as well.
Both standards are compatible with ADF. If you are building a new application, JSF is the way to go as it will offer you more flexibility and represents the best option going forward.
Best Regards,
Frédéric Desbiens.

SWITCHOVER_STATUS value are different for Oracle 11gR1 and 11gR2

Hi All,
I would like to know why is there a difference in the SQL output when run on a 11gR1 and 11gR2 Primary database in a DataGuard configuration.
On a 11gR1 Primary database
Open an SQL Session on the Primary database and run the SQL statement
SQL> select switchover_status from v$database;
To Standby
Now open a second SQL Session
Run the above SQL statement
SQL> select switchover_status from v$database;
Sessions Active
Now, when I do the same on a 11gR2 Primary database here is the result
On a 11gR2 Primary database
Open an SQL Session on the Primary database and run the SQL statement
SQL> select switchover_status from v$database;
To Standby
Now open a second SQL Session
Run the above SQL statement
SQL> select switchover_status from v$database;
To Standby
Is this a bug in 11gR2 ? Is there a patch/fix available ?
Oracle 11gR2 version 11.2.0.1.0
TIA,
Sudhir

Hello Loic,
The result on the Standby Database is "Not Allowed". This is because there is no alternative Standby Available.
I have some scripts which does the switchover based on the Database status. As per Oracle 11gR2 DataGuard Admin docs.
Cut pasted for Oracle DataGuard Admin docs.
Step 1 Verify that the primary database can be switched to the standby role.
SQL> SELECT SWITCHOVER_STATUS FROM V$DATABASE;
SWITCHOVER_STATUS
TO STANDBY
1 row selected
Note: The WITH SESSION SHUTDOWN clause can be omitted from
the switchover statement if the query performed in the previous step
returned a value of TO STANDBY.
When I use SQL statement "ALTER DATABASE COMMIT TO SWITCHOVER TO PHYSICAL STANDBY;" and if there are Active SQL sessions then I get the error
ALTER DATABASE COMMIT TO SWITCHOVER TO PHYSICAL STANDBY *
ORA-01093: ALTER DATABASE CLOSE only permitted with no sessions connected
Thanks,
Sudhir

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

Difference between facelets and jsp xml in Document Type

I want difference between facelets and jsp in Document Type in JDeveloper 11gR2 (11.1.2)
Thanks
Edited by: Amr Ahmed on Jun 8, 2011 7:46 AM

Let's see.
Facelets creates a facelets page
JSP creates a JSP page
{noformat}:){noformat}
Facelets is the "official" view language for JSF 2.0
http://www.realdevelopers.com/blog/development/facelets-vs-jsp should give you some more insight as well.
John

Difference between Null and null?

What is the difference between null and NULL?
When is each used?
Thanks,

veryConfused wrote:
There is a null in java, but no NULL. null means no value. However, when assigning value, the following is different:Although the empty String has no special role. Null means, the referential type is not assigned (doesn't refer) to a specific object. The empty String is just another object though, so seeing it or pointing it out as something special when it actually isn't at all (no more special than new Integer(0) or new Object[0]) just adds to the confusion.

Difference between GUI_UPLOAD and WS_UPLOAD

Hi,
Please make me clear about the difference between GUI_UPLOAD and WS_UPLOAD. In which cases we need to use these modules...??
Thanks,
Satish

I would suggest to always use the GUI_UPLOAD. I say this because this is the function module which is used in the GUI_UPLOAD method of the class CL_GUI_FRONTEND_SERVICES.   Really, you should probably use the class/method instead of the function module.
data: filename type string.
filename = p_file.
call method cl_gui_frontend_services=>gui_upload
         exporting
              filename                = filename
              filetype                = 'ASC'
         changing
              data_tab                = iflatf
         exceptions
              file_open_error         = 1
              file_read_error         = 2
              no_batch                = 3
              gui_refuse_filetransfer = 4
              no_authority            = 6
              unknown_error           = 7
              bad_data_format         = 8
              unknown_dp_error        = 12
              access_denied           = 13
              others                  = 17.
Regards,
Rich Heilman

Difference between char and varchar, also the difference between varchar2

Hi,
Can anyone explain me the difference between char and varchar, and also the difference between varchar and varchar2...

Varchar2 is variable width character data type, so if you define column with width 20 and insert only one character to tis column only, one character will be stored in database. Char is not variable width so when you define column with width 20 and insert one character to this column it will be right padded with 19 spaces to desired length, so you will store 20 characters in the dattabase (follow the example 1). Varchar data type from Oracle 9i is automaticlly promoted to varchar2 (follow example 2)
Example 1:
SQL> create table tchar(text1 char(10), text2 varchar2(10))
2 /
Table created.
SQL> insert into tchar values('krystian','krystian')
2 /
1 row created.
SQL> select text1, length(text1), text2, length(text2)
2 from tchar
3 /
TEXT1 LENGTH(TEXT1) TEXT2 LENGTH(TEXT2)
krystian 10 krystian 8
Example 2:
create table tvarchar(text varchar(10))
SQL> select table_name,column_name,data_type
2 from user_tab_columns
3 where table_name = 'TVARCHAR'
4 /
TABLE_NAME COLUMN_NAME DATA_TYPE
TVARCHAR TEXT VARCHAR2
Best Regards
Krystian Zieja / mob

The difference between Lion and Mountain Lion

Can some one explain to me the difference between Lion and Mtn Lion? I'm currently 10.6.8 Is it beneficiall for me to upgrade?

Mountain Lion is an enhanced version of previous OS X and so that is Mavericks.
About upgrading it all depends on what your needs are and if your hardware supports it.
System requirements for OS X Lion
System requirements for OS X Mountain Lion
OS X Mavericks: System Requirements
Please check also applications compatibility. From Lion onward, you cannot run PPC application.

Differences between 11gr1 and 11gr2

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