Help needed in writing a function.

I am using Oracle 11g and SQL plus. I am a complete newbie, so I need some help here in writing a function. I guess my question is more about writing the trigonometric functions within the function.
latA, longA latB, longB // these are the four input parameters,
theta = longA - longB
distX = sin( latA * PI / 180) * sin ( latB * PI /180) + cos ( latA * PI/180) * cos ( latB * PI/180) * cos ( theta * PI / 180)
distY = acos(distX) // this is arc cosine
distZ = distY * 180 / PI // PI refers to the mathematical PI
distP = distZ * 60 * 1.1515; // this value should be returned. Of course the intermediate variable names don't matter.
Please help. Thanks.

CREATE OR REPLACE FUNCTION fucntion_name(latA IN NUMBER, longA IN NUMBER, latB IN NUMBER, longB IN NUMBER) RETURN NUMBER
IS
pi CONSTANT NUMBER:=3.14159;
theta NUMBER;
distX NUMBER;
distY NUMBER;
distZ NUMBER;
distP NUMBER;
BEGIN
theta :=longA - longB;
distX :=sin( latA * PI /180) * sin ( latB * PI /180) + cos ( latA * PI/180) * cos ( latB * PI/180) * cos ( theta * PI / 180);
distY :=acos(distX); --this is arc cosine
distZ :=distY * 180/PI; --PI refers to the mathematical PI
distP :=distZ * 60 * 1.1515; --this value should be returned. Of course the intermediate variable names don't matter.
RETURN distP;
END;Edited by: Ora on May 3, 2011 11:46 PM

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Help needed for writing query

help needed for writing query
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FK*-foregin key (SUBJECTS)
FK**-foregin key (COMBINATION)
1)SUBJECTS(table name)
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2           02           Computer Science
3           03           Physics
4           04           Chemistry
5           05           Mathematics
7           07           Commerce
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384           S2
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you can use any of the COMBINATION table(either (2) or (3))
and i want to know
1)which design is good in this case
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detail table is not neccessary )
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i am using oracle 9i (also ODP.NET)
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Well I forgot the table-alias, here now with:
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, C.COMB_NAME
, (SELECT SUB_NAME
FROM SUBJECTS
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Help needed in building a function

Hello,
I am using Oracle DB 11g.
I am writing a function.
create or replace function func(tab VARCHAR2) RETURN VARCHAR2 AS
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I have a request having Period, Amount,Branch code. In this i need to figure out the top N ranks (N is the user input which is populated using Presentation variable) based on the amount.
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CREATE OR REPLACE FUNCTION fucntion_name(latA IN NUMBER, longA IN NUMBER, latB IN NUMBER, longB IN NUMBER) RETURN NUMBER
IS
pi CONSTANT NUMBER:=3.14159;
theta NUMBER;
distX NUMBER;
distY NUMBER;
distZ NUMBER;
distP NUMBER;
BEGIN
theta :=longA - longB;
distX :=sin( latA * PI /180) * sin ( latB * PI /180) + cos ( latA * PI/180) * cos ( latB * PI/180) * cos ( theta * PI / 180);
distY :=acos(distX); --this is arc cosine
distZ :=distY * 180/PI; --PI refers to the mathematical PI
distP :=distZ * 60 * 1.1515; --this value should be returned. Of course the intermediate variable names don't matter.
RETURN distP;
END;Edited by: Ora on May 3, 2011 11:46 PM

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2
3
4
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8
9
10
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2 (
3 SELECT 1 COL1 FROM DUAL
4 UNION
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6 UNION
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8 UNION
9 SELECT 4 COL1 FROM DUAL
10 UNION
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12 UNION
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14 UNION
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16 UNION
17 SELECT 10 COL1 FROM DUAL
18 UNION
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20 UNION
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22 UNION
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24 UNION
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26 UNION
27 SELECT 23 COL1 FROM DUAL
28 UNION
29 SELECT 24 COL1 FROM DUAL
30 )
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Hi experts,
I need to write a SQL to select order_num, cntry_cde, prod_id and Qty by joining order_num on PROD_ORDER and PROD_ORDER_TXT.
Here is my sample data
PRODORDER_
order_num     cntry_cde     Prod_id     Qty
100     US     A1     5
101     US     A2     10
102     AU     A3     4
103     AU     A4     9
104     IN     A5     3
PRODORDER_TXT_
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100     US     A1
101     US     A2
102     NZ     A3
103     AU     A4
104          A5
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I cannot avoid it. Then simply use the cntry_cde from PROD_ORDER
Output expected
100     US     A1     5
101     US     A2     10
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103     AU     A4     9
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(order_num number,
cntry_cde CHAR(2),
prod_id VARCHAR2(6),
qty number)
create table prod_order_txt
(order_num number,
cntry_cde CHAR(2),
prod_id VARCHAR2(6))
insert into prod_order values (100, 'US', 'A1',5);
insert into prod_order values (101, 'US', 'A2',1);
insert into prod_order values (102, 'AU', 'A3',4);
insert into prod_order values (103, 'AU', 'A4',9);
insert into prod_order values (104, 'IN', 'A5',3);
insert into prod_order_txt values (100,'US','A1');
insert into prod_order_txt values (101,'US','A2');
insert into prod_order_txt values (102,'NZ','A3');
insert into prod_order_txt values (103,'AU','A4');
insert into prod_order_txt values (104,NULL,'A5');
commit;
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Edited by: sarvan on Mar 28, 2012 1:39 PM

Hello
Thank you for posting all of the ddl and test data along with your expected output - very helpful!. One small point would be to remember to type {noformat}{noformat} before and after any section of code or data in your post so that formatting is retained. Anyway, this should be a simple join and a combination of CASE and NVL...Select
po.order_num,
CASE
WHEN po.cntry_cde != NVL(pot.cntry_cde,po.cntry_cde)
THEN
pot.cntry_cde
ELSE
po.cntry_cde
END cntry_code,
po.prod_id,
po.qty
FROM
prod_order po
JOIN
prod_order_txt pot
ON
( po.order_num = pot.order_num
ORDER_NUM CN PROD_I QTY
100 US A1 5
101 US A2 1
102 NZ A3 4
103 AU A4 9
104 IN A5 3
5 rows selected.
HTH
David
Edited by: Bravid on Mar 28, 2012 8:32 AM
corrected !=

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In the above table Id is the primary key.
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260002     XXX assign_3 2007-09-21 16:59:24.421000     957     completion
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951     260002     Assign_1     952     2007-09-21 16:58:41.920000     activation
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957     260002     Assign_3     959     2007-09-21 16:59:24.421000     completion
962     260002     Assign_4     960     2007-09-21 16:59:44.741000     completion
961     260002     Assign_4     960     2007-09-21 16:59:44.640000     activation
964     260002     Assign_5     965     2007-09-21 17:00:05.290000     completion
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260002     2007-09-21 16:58:41.920000     2007-09-21 16:58:43.392000     951
260002     2007-09-21 16:58:41.920000     2007-09-21 16:59:04.112000     951
260002     2007-09-21 16:58:41.920000     2007-09-21 16:59:24.421000     951
260002     2007-09-21 16:58:41.920000     2007-09-21 16:59:44.741000     951
260002     2007-09-21 16:58:41.920000     2007-09-21 17:00:05.290000     951
260002     2007-09-21 16:59:03.732000     2007-09-21 16:58:43.392000     956
260002     2007-09-21 16:59:03.732000     2007-09-21 16:59:04.112000     956
260002     2007-09-21 16:59:03.732000     2007-09-21 16:59:24.421000     956
260002     2007-09-21 16:59:03.732000     2007-09-21 16:59:44.741000     956
260002     2007-09-21 16:59:03.732000     2007-09-21 17:00:05.290000     956
260002     2007-09-21 16:59:24.331000     2007-09-21 16:58:43.392000     958
260002     2007-09-21 16:59:24.331000     2007-09-21 16:59:04.112000     958
260002     2007-09-21 16:59:24.331000     2007-09-21 16:59:24.421000     958
260002     2007-09-21 16:59:24.331000     2007-09-21 16:59:44.741000     958
260002     2007-09-21 16:59:24.331000     2007-09-21 17:00:05.290000     958
260002     2007-09-21 16:59:44.640000     2007-09-21 16:58:43.392000     961
260002     2007-09-21 16:59:44.640000     2007-09-21 16:59:04.112000     961
260002     2007-09-21 16:59:44.640000     2007-09-21 16:59:24.421000     961
260002     2007-09-21 16:59:44.640000     2007-09-21 16:59:44.741000     961
260002     2007-09-21 16:59:44.640000     2007-09-21 17:00:05.290000     961
260002     2007-09-21 17:00:04.950000     2007-09-21 16:58:43.392000     963
260002     2007-09-21 17:00:04.950000     2007-09-21 16:59:04.112000     963
260002     2007-09-21 17:00:04.950000     2007-09-21 16:59:24.421000     963
260002     2007-09-21 17:00:04.950000     2007-09-21 16:59:44.741000     963
260002     2007-09-21 17:00:04.950000     2007-09-21 17:00:05.290000     963
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CREATE OR REPLACE FUNCTION fucntion_name(latA IN NUMBER, longA IN NUMBER, latB IN NUMBER, longB IN NUMBER) RETURN NUMBER
IS
pi CONSTANT NUMBER:=3.14159;
theta NUMBER;
distX NUMBER;
distY NUMBER;
distZ NUMBER;
distP NUMBER;
BEGIN
theta :=longA - longB;
distX :=sin( latA * PI /180) * sin ( latB * PI /180) + cos ( latA * PI/180) * cos ( latB * PI/180) * cos ( theta * PI / 180);
distY :=acos(distX); --this is arc cosine
distZ :=distY * 180/PI; --PI refers to the mathematical PI
distP :=distZ * 60 * 1.1515; --this value should be returned. Of course the intermediate variable names don't matter.
RETURN distP;
END;Edited by: Ora on May 3, 2011 11:46 PM

Help needed in writing installers for swing application

Hi ,
I want to write an installer for one of our home grown profiler tool. I need to write the installer for different platforms such as windows,linux,solaris,HP-UX.
Does anybody have any idea of how to go ahead in writing installations. Share if there is any good links such as tutorials as well is thr any opensource tool (similar to installsheild) to write installers . As well following is the tentative algorithm for my install sheild
1. Create a home dir for the tool and put all the application files in tht.
2. Installing a 3rd party jar and make a home for it.
3. Option for user to select the features(i hv 2 features. user can either select both or select individual feature) to be installed.
4. Select the appserver home if any. On selection i hv to update the classpath in the startup batch file for the application(This is the toughest step i beleive bcoz each appserver have different folder structures and different startup batch files).

Tried obtaining the output using SQL and the result is as follows:
SQL> WITH T AS
2 (
3 SELECT 1 COL1 FROM DUAL
4 UNION
5 SELECT 2 COL1 FROM DUAL
6 UNION
7 SELECT 3 COL1 FROM DUAL
8 UNION
9 SELECT 4 COL1 FROM DUAL
10 UNION
11 SELECT 5 COL1 FROM DUAL
12 UNION
13 SELECT 8 COL1 FROM DUAL
14 UNION
15 SELECT 9 COL1 FROM DUAL
16 UNION
17 SELECT 10 COL1 FROM DUAL
18 UNION
19 SELECT 13 COL1 FROM DUAL
20 UNION
21 SELECT 14 COL1 FROM DUAL
22 UNION
23 SELECT 15 COL1 FROM DUAL
24 UNION
25 SELECT 16 COL1 FROM DUAL
26 UNION
27 SELECT 23 COL1 FROM DUAL
28 UNION
29 SELECT 24 COL1 FROM DUAL
30 )
31 SELECT OUTPUT FROM
32 (
33 SELECT DECODE(COL3,NULL,COL1, COL2) || '-' || LEAD(DECODE(COL3,NULL,COL3, COL1)) OVER (ORDER BY DECODE(COL3,NULL,COL1, COL2)) OUTPUT FROM
34 (
35 SELECT COL1, LEAD(COL1) OVER (ORDER BY COL1) COL2, LAG(COL1) OVER (ORDER BY COL1) COL3 FROM T
36 )
37 WHERE
38 (COL2 - COL1 > 1 OR COL2 IS NULL OR COL3 IS NULL)
39 )
40 WHERE OUTPUT != '-';
OUTPUT
1-5
8-10
13-16
23-24

Help needed in writing a procedure

Guys, i need some more help.
I am selecting one value using select by passing a parameter to that select statement which are stored in a file using utl_file package.
Now, I want to use the output of that query and use that value to update a column in the same table.
for ex:-
select comm from emp where empno = &empno1;
I want to use the comm value and update the comm value.
update emp
set comm = comm + 10
where empno = &empno1
Help Appreciated
Thanks

SQL> desc emp
Name Null? Type
EMPLOYEE_ID NOT NULL NUMBER(6)
FIRST_NAME VARCHAR2(20)
LAST_NAME NOT NULL VARCHAR2(25)
EMAIL NOT NULL VARCHAR2(25)
PHONE_NUMBER VARCHAR2(20)
HIRE_DATE NOT NULL DATE
JOB_ID NOT NULL VARCHAR2(10)
SALARY NUMBER(8,2)
COMMISSION_PCT NUMBER(2,2)
MANAGER_ID NUMBER(6)
DEPARTMENT_ID NUMBER(4)
NET_SALARY NUMBER(12,2)
SQL> select salary,COMMISSION_PCT,net_salary from emp where employee_id = 198;
SALARY COMMISSION_PCT NET_SALARY
2600 .1
SQL> update emp
2 set net_salary = salary + (select COMMISSION_PCT from emp where employee_id = &&empno)*salary
3 where employee_id = &&empno
4 /
Enter value for empno: 198
old 2: set net_salary = salary + (select COMMISSION_PCT from emp where employee_id = &&empno)*salary
new 2: set net_salary = salary + (select COMMISSION_PCT from emp where employee_id = 198)*salary
old 3: where employee_id = &&empno
new 3: where employee_id = 198
1 row updated.
SQL> select salary,COMMISSION_PCT,net_salary from emp where employee_id = 198;
SALARY COMMISSION_PCT NET_SALARY
2600 .1 2860
Hope this helps;

Help needed in writing a function.

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