How Kernel Parameters Values Calculated In 10g
Feb 9, 2013
*10g Oracle installation on OEL*
How Kernel Parameters values calculated in 10g
kernel.shmall = 2097152
kernel.shmmax = 2147483648
kernel.shmmni = 4096
+# semaphores: semmsl, semmns, semopm, semmni+
kernel.sem = 250 32000 100 128
[code].......
Run the following command to change the current kernel parameters
/sbin/sysctl -p
** "/etc/security/limits.conf" **
* soft nproc 2047
* hard nproc 16384
* soft nofile 1024
* hard nofile 65536
My question I think 32 bit or 64 bit OS calculation will be same only. I want know how it was calculated ?
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Aug 26, 2011
what is the purpose of kernel parameter while creating database.
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Aug 19, 2010
I have a form in which the fields are calculated fields. So i need to populate the form after calculating the values based on a database columns. For example if i have a table as below
COL A | Col B | Col C | Col D
2 3 4 5
3 4 5 6
I have 3 fields on my form which i need to populate such that field1 maps to col A. Field2 value is COL B * COL D for that value of COL A. Field 3 value is COLB * COL D for that value of col A.
I tried something like this
PROCEDURE NAME IS
cursor c1 is SELECT * FROM TABLEL;
begin
go_block('Block1');
clear_block(no_validate);
for i in c1 loop
:BLOCK.field1 := i.COL_A;
[code].......
this fetched all the records for field1 but for field2 and field3 it only calculates and populates the field row.
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May 5, 2011
I believe I have a problem with the ASM Kernel rpm that I downloaded from Oracle OTN
my Linux OS is
[root@UKEDXDTMTDBS01A u01]# uname -r
2.6.18-194.el5
So I downloaded the x3 ASM files required
[root@UKEDXDTMTDBS01A u01]# ls -ltr *.rpm
-rw-r--r-- 1 oracle oinstall 90858 Apr 12 14:18 oracleasm-support-2.1.4-1.el5.x86_64.rpm
-rw-r--r-- 1 oracle oinstall 14176 May 5 10:10 oracleasmlib-2.0.4-1.el5.x86_64.rpm
-rw-r--r-- 1 oracle oinstall 137486 May 5 10:29 oracleasm-2.6.18-194.el5-2.0.5-1.el5.x86_64.rpm
As you can see the install worked fine
rpm -Uvh oracleasm*.rpm
warning: oracleasm-2.6.18-194.el5-2.0.5-1.el5.x86_64.rpm: Header V3 DSA signature: NOKEY, key ID 1e5e0159
warning: oracleasm-support-2.1.4-1.el5.x86_64.rpm: Header V3 DSA signature: NOKEY, key ID b38a8516
Preparing... ########################################### [100%]
[code]...
So therefore it does not show any disks
[root@UKEDXDTMTDBS01A u01]# /usr/sbin/oracleasm listdisks
[root@UKEDXDTMTDBS01A u01]#
Am I doing something wrong -
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Apr 22, 2013
I am getting below in alert log:
Deprecated system parameters with specified values:
remote_os_authent
IS this parameter is supportable in 11G and also how can i remove it from SP file with out bouncing the instance.
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Jan 19, 2013
CREATE TABLE t2
(
id NUMBER,
ename2 VARCHAR2(20),
sal2 NUMBER,
job2 VARCHAR2(20),
conid NUMBER
[Code]...
My requirement is like when I am calling the procedure P1 with some values then it should check the table "t2".And table "t2" is linking with table "t3".
So what ever the column "verify" is there, it should check the incoming values against it. If matches success otherwise reject it.Later the incoming values is stored different tables.I am doing it in the above way by hard coding some value.
BEGIN
p1(1,'MILLER',500,'ADMIN'); --REJECT
p1(1,'MILLER',5000,'ADMIN'); --ACCEPT
P1(2,'MILLER',5000,'SALESMAN');--ACCEPT
END;
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Jul 6, 2010
Oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - 64bit Production
PL/SQL Release 11.1.0.6.0 - Production
"CORE 11.1.0.6.0 Production"
I have a form which has few textboxes, and few dropdown, and 3 links. Data is entered in few boxes, and then when a link is clicked, it goes to another page, but i want to pass the text in the text boxes, and the selected value from the dropdown also, to be passed as parameters to this link... But since these values are not yet saved, its not getting passed.. like it is something like this in the address bar add_new_event?&event_ id= &event_ name= & event_dt=
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Jul 19, 2012
How to pass null values in OracleCommand as a parameters
i am doing like this
((OracleCommand)cmdMySql).Parameters.Add(":1" ,Varchar2).Value = DBNull.Value;
Its giving error when dataadapter is going to fill.
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Jun 16, 2012
Just to let you know this new section in SQL*Plus FAQ wiki page: How to have optional parameters and default values in SQL*Plus_script.
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Nov 20, 2012
Not able to open login page 101 in my internal application. I am getting below error
ORA-12170: TNS:Connect timeout occurred
Error Not able to get parameters values
OK
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Jan 15, 2012
I studied a document about lexical parameter in that it says "Lexical parameters are used to substitute multiple values at run time and are identified by a preceding '&'. Lexical s can consist of as little a one line where clause to an entire select statement"
Select * from emp, deptno &where.
and i know about substitution variables using & is this are same (lexical and substitution) or different.
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Nov 16, 2012
I am not a major member of performance tuning area.Performance team is saying DB utilizing high memory. DB team is telling DB utilizing low memory.
How it was calculated here ?
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Nov 19, 2012
In my table there are 188 column , i compare these with other table to know which column values have changed. i use ora_hash to get hash value and then i compare with other table.
I want to create calculated column but i am unable to create as it says invalid data type.
alter table STG_TBLDISRUPTIONS add stg_hash as ORA_HASH (INTINTERNALID || VCHIMSNO || CHRFANDDNO || INTINCIDENTNO || VCHDESCRIPTIONFAULT
|| TININCIDENTTYPEID || TINLINEID || DTMINCIDENTFAULTSTARTDATETIME || DTMNOTIFICATIONDATETIME
|| DTMSTARTDATETIME || DTMENDDATETIME || DTMACTUALENDDATETIME || DTMDURATIONENDDATETIME
|| CHRFROMBRSSTATIONID || CHRTOBRSSTATIONID || VCHLOCATIONDESC || CHRDIRECTIONID || SINEXTRARUNNINGTIME
|| CHRPLATFORMNO || BLNMULTIPLESIGNAL || TINNOOFPEOPLETRAPPED || CHRMODEOFFAILURE || TINDAYOFWEEKTABLEID
[code].........
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Feb 24, 2010
can I use calculated fields (b) for another calculation (c) in the same select?
select 10*a as b,
10*b as c
from tab
The code gives an error, but how can I do this?
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Apr 10, 2013
On my APEX page i have region which has sql query as source and it displays as HTML table the query result to the user.
I want to display addinonal column with a hyperlink inside, and that hyperlink would have CGI/URL-parameters which contains the other values of the HTML row.
So, let's say my APEX region queryes columns as "select c1, c2, c3, c4 ..." and displays out values "V1, V2, V3, V4" then i want to have addional output column with such hyperlink:
a href="f?p=100:7:13467554876288::NO::c1,c2,c3,c4:v1,v2,v3,v4">My link column with CGI-parameters</aHow can i create such hyperlink?
The overall idea is that the link would forward to a page which loads those values "v1,v2,v3,v4" into form fields and user can proceed from there.
---
"Application Express 4.2.1.00.08"
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Aug 6, 2013
I have seen in probably VB or Dot net software being used at some premises that there "formula computation is live and interactive".
What i means that suppose a cashier has made invoice having total of 83$. Mow in the text box for entering amount received, the cashier is about to enter 100 but surprisingly the returned value/remaining value (total invoice - amount received) is being computer LIVE.
This is what happens.
1) The cashier entered 1 and the remaining value instantly showed 82 (83-1)
2) then on other key stroke of 0 by cashier and then then the remaining value instantly showed 73 (83-10)
3) then on other key stroke of 0 by cashier and then then the remaining value instantly showed 17 (83-100)
Hence a continuous updation/changing of the remaining value on every key stroke is observed.
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Aug 1, 2012
I want to insert calculated data while loading the data from sql loader.
eg let say column INTERNAL_TRANSACTION_ID,WAIT_TIME,MESSAGE_GUID,TRS_SIZE,RETURN_MESSAGE_GUID are null in input file then i want to populate column DEV_FLAG as 'U' ELSE 'D'
My control file looks like below but doesn't have DEV_FLAG.
load data
BADFILE '/backup/temp/rajesh/RIO/BadFiles/FILENAME'
append into table TEMP_rio_RESP_TIME_LND
TRAILING NULLCOLS
(
INSTALLATION_ID CHAR
TERMINATED BY "|" OPTIONALLY ENCLOSED BY '"',
TRANSACTION_ID CHAR
[code]....
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Jun 10, 2013
frm-41375: cannot set queryable property of calculated item :emp.sumsal.
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Jul 25, 2013
I used Region, Process by to search the report which appears as shown above. Then I use Choose Auditors column to select my Auditor and copy paste it into the report under To be Audited By col. Is there a way to automate the process. I am here using a tabular form in APEX. My main aim is to assign auditors based on Region, not equal to Processed by.
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Dec 3, 2010
I have a scenario where I have to get all the available dates of a resource. I am using the below query to get it.
Select Avail_Date AS MONTH
, Resource_Id
FROM res_tsk
, (SELECT Rownum - 1 + TRUNC (sysdate) avail_date
FROM Dual
[code].......
The result of this is:
Month Dates Resource_ID
12/3/10 0:00 NULL
12/4/10 0:00 NULL
12/5/10 0:00 NULL
12/6/10 0:00 100033868
As I am doing a outer join, if the resource is not available on a particular day the resource_id is coming as NULL as it is not available. Is there any way to populate this NULL resource_id with the original resource_id as the resource_id is same for all the result set.
I need the output to be
Month Dates Resource_ID
12/3/10 0:00 100033868
12/4/10 0:00 100033868
12/5/10 0:00 100033868
12/6/10 0:00 100033868
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Dec 23, 2010
My scenario is to insert values into 'out' column by comparing 's' and 'IP' columns of temp table.The exact situation is at first need to go to ip column,take a value and then go to source column and check for the same value of ip which is taken previously.Then after corresponding ip of that source column should be inserted back in previous source column.
The situation is marked clearly in file which i am attaching with '--' comments at respective places.I am also pasting the code which i tried out,unfortunately it is giving error as exact fetch returns more than requested number of rows since there are duplicates in the table.I tried it using nested for loops.Also implemented using rowid,but it didnt work.
fixing the errors or if there is any new logic that can be implemented.
DECLARE
i_e NUMBER(10);
BEGIN
FOR cur_1 IN(SELECT IP from temp where IP IS NOT NULL)
LOOP
FOR cur_2 IN(SELECT IP from temp where s=cur_1.IP)
[Code]...
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Oct 28, 2013
I am searching the simplest way for ad hoc MINUS.I do:
SELECT *
FROM uam_rss_user_XXXXXXX
WHERE host_name IN
('XXX0349',
'XXX0362',
'XXX0363',
'XXX0343',
'XXX0342',
'XXX0499',
[code]....
and look in the table which values are missing (values that are in host_name IN but not in actual table).is there a simpler way for doing an ad hoc MINUS? I know to insert values in temp. Table. How are experienced Oracle pros doing this task?
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Jul 25, 2013
From two given tables, how do you fetch the values from two columns using values from one column(get values from col.A if col.A is not null and get values from col.B if col.A is null)?
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Jun 14, 2013
Oracle Version:11.2.0.3/ OEL 6.1
For diagnosing a performance issue related to a batch run, our application teams wants to know all session/system level parameter that affects SQL performance. I can't simply give an output of v$parameter.name and v$parameter.
value as there will lots of parameter not related SQL performance like
diagnostic_destlog_archive_dest_1deferred_segment_creationcontrol_filesbackground_core_dump
I am looking for only those parameters which are relevant to SQL performance, like
optimizer_modestatistics_levelmemory_targetsga_target
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Dec 18, 2012
I created a package with some types, and every was compiling fine. However, when I ran the new function, I got an error: ORA-21700: object does not exist or is marked for delete
After a little research, I realized that the types would have to be declared outside the package. As soon as I did that, I suddenly started getting the "not enough values" errors on all my types. I compared the number of columns being returned, and the number of columns in the type, and they match.Here is my type code:
CREATE OR REPLACE TYPE TSA_CUSTOM.Lost_Plan as object (
LP_Key number, -- The member key of the plan that is going away
LP_Type varchar2(20),
LP_Dept varchar2(12),
LP_SubDept varchar2(12),
LP_Class varchar2(12),
LP_VendorName varchar2(50)
[code]...
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Apr 16, 2013
How can you use pivot with a parameter? If you attempt to use a parameter then an ORA-500: bind variable not supported is given
Below is a simplified version of the sql to illustrate teh problem.
create table test_pivot
(
ord_no number,
qty number,
loc varchar2(10)
):
insert into test_pivot values (123, 3, 'LOC1');
insert into test_pivot values (123, 2, 'LOC1');
insert into test_pivot values (234, 4, 'LOC1');
insert into test_pivot values (234, 5, 'LOC1');
-- this one is fine
Select * From
(
Select Ord_No, Qty, Loc
From Test_Pivot
Where Ord_No In ('123', '234')
)
Pivot (Sum(Qty) For Ord_No In ('123', '234') )
-- how to use pivot with parameters
Select * From
(
Select Ord_No, Qty, Loc
From Test_Pivot
Where Ord_No In (:Ord1, :Ord2)
)
Pivot (Sum(Qty) For Ord_No In (:Ord1, :Ord2) )
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Dec 22, 2010
the same query i put below but in oracle.
I'm trying to declare and set parameters in oracle
I'm trying to do something similar as the follow SQL Server Sentence:
------------------------------------------------------
DECLARE
@Year SMALLINT,
@City varchar(255)
SET @Year = 2010
SET @City = ''NY','NJ''
[Code]....
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Nov 21, 2011
I want to ask that how can I use parameters in forms? I have created 2 parameter pm_rollnum and pm_classname but I don't that how I use it in form that when end user enter its value in these parameter result should be open.
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Sep 26, 2011
I just upgraded my version of my oracle from 9 to 11.2g.When I tried to execute some queries in PL/SQL i keep getting an
annoying error : "ORA-01843 not a valid month."
I realized that if I execute the following query:alter session set NLS_DATE_LANGUAGE=AMERICAN;before every query that I want to execute, then it's executed fine.
I preformed the next queries:
1. select * from nls_database_parameters;
2. select * from nls_instance_parameters;
3. select * from nls_session_parameters;
and I saw that the fields in the "nls_session_parameters" vieware not derived from "nls_database_parameters" "nls_instance_parameters".
How can I derive the parameters from the instancedatabase view into the session view?I want that the "nls_date_language" parameter will always be 'AMERICAN'.
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Oct 17, 2011
How to how to get this sql to work?
select a.in_house_ref
from media_item a
where
((&rack is null) or a.in_house_ref in (&rack));
--a.house_media in ('CH127600','BF101042'), example values
I've tried the a.in_house_ref in (:rack) by itself and that doesn't work for the values above and hence changed it to (&rack) and that works. The issue I run into now is that the the paramater can be null, ie., no values need be entered by users and hence I put the is null statement. When I run the full statement above, oracle returns an error, i.e. , ORA-00936: missing expression.
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