Calculate the variance between two row

Post Author: jane
CA Forum: WebIntelligence Reporting
Hi,
I'm new to BO and wondering whether there is a way to calculate the variance between two rows. I'm working on a report which requires to display the change of two day's data. For instance, I have a table in a format as
Date
Sales Amount
3/12/2008
2300.00
2/12/2008
1280.00
Changed
1020.00
I'd like to display the "Changed" column. Is there a way to do that in BO InfoView? In Excel, you can use the formular by identify the two cells.
Thanks!

Post Author: Vinl
CA Forum: WebIntelligence Reporting
I am having the same problem and am steping outside of the box and cannot progress.
Seems to me that you are kind of saying that the only way to get around this is to create an individual object in Designer? I cannot find a way of cementing values as a variable in order for a variance to be created.
I am trying to do it at column level mind you, which should not make that much difference....
Simple SQL database. I have created an object called "Year" which takes a date and converts it to a year. I then have another object created "Total sales", put the 2 in a table get the right results...try and create a year on year variance from that...no chance...
Used to work ok...?

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IK

Hi. Why don't you want to do this on the report - it's much easier and you can get favorable/unfavorable comparisons? But, if you want to do the rule, here's the approach.
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Hi,
We need to calculate the difference between the two dates by excluding the Local public holidays (It is global and varies across countries) and weekends should not be included in calculation for a business day in OBIEE.
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Hi Peeleti,
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Denes,
A fair point, I should really have posted this on the SQL forum (I'm new to the forum as well as PL/SQL) but thanks for responding anyway. It does raise a question as to how to implement this in ApEx though.
I have created the function and am calling it as shown below from the source window of a form. The source type is 'PL/SQL expression or function' and the expression in the source window of the form is:
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p_date_1   VARCHAR2,
p_date_2   VARCHAR2
RETURN NUMBER
v_difference   NUMBER;
v_sql_err      VARCHAR2 (4000);
BEGIN
v_difference := TRUNC (TO_DATE (p_date_1)) - TRUNC
(TO_DATE (p_date_2));
RETURN v_difference;
CEPTION
WHEN OTHERS
THEN
v_sql_err := SQLERRM || CHR (10) || CHR (10) ||
SQLCODE;
ND calc_date_difference;and
SQL> SELECT calc_date_difference ('23.01.2007',
'20.01.2007') diff
2    FROM DUAL;
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3
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Bala

Hi:
Question 1:
We have same problem, and what we did is to create:
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R2 = Revenue previous year
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I don't know.
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this link can assist you:>
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I am so embarrassed by the fact that I can't figure this out.
Cell B2- 8:00 am
Cell C2- 10:50 am
Cell D2- (How do I get this cell to calculate the difference and say 2:50?)
I know this is probably one of the most basic operations, but for the life of me I can't figure it out. Cells B2 & C2 are formatted for 24 hour clock. But if I tell the system to just subtract the two, I get "0.118". Everything I find on the forum search goes beyond what I need. Can anyone help me?
Thank you.

KOENIG Yvan wrote:
Numbers states clearly in the Help and the PDF Users Guide that it doesn't know a "duration" object but a time one which is restricted to the range 00:00:0 to 23:59:59.
When I search the U.S. language Numbers User Guide for the word "duration," it is not found.
What may be more clear: _duration is not available but time is_?
Once again your response resemble to a rant againt the Help and the User Guide.
In the Help:
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Which wording would be more clear and precise?
TIMEVALUE
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Which wording would be more clear and precise?
TIME
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+minutes: The number of minutes.+
+seconds: The number of seconds.+
Notes
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Which wording would be more clear and precise?
In the User Guide:
page 190
+date-time Any Numbers date/time value. _While you can choose to display_+
+_only date or time in a cell, all Numbers date or time values contain_+
+_both the date and time._+
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+TIMEVALUE (page 278) Converts a time in a string to a decimal fraction of a 24-hour day.+
TIME
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+• minutes: The number of minutes.+
+• seconds: The number of seconds.+
Notes
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+You can also specify fractional values for hours, minutes, or seconds.+
TIMEVALUE
+The TIMEVALUE function converts a time in a string to a decimal fraction of a 24-hour+
day.
TIMEVALUE(date-time)
+• date-time: A date, a time, or a string in any of the Numbers date and time formats.+
As you may check, the infos are exactly the same in the Help and in the Guide.
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Yvan KOENIG (from FRANCE lundi 4 août 2008 14:57:36)

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Hello,
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Doug

Something like this should work:
SQL> select * from emp order by hiredate ;
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      7934 MILLER     CLERK           7782 21-OCT-2005       1300                    10
      7902 FORD       ANALYST         7566 22-OCT-2005       3000                    20
      7900 JAMES      CLERK           7698 23-OCT-2005        950                    30
      7876 ADAMS      CLERK           7788 24-OCT-2005       1100                    20
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      7839 KING       PRESIDENT            26-OCT-2005       5000                    10
      7788 SCOTT      ANALYST         7566 27-OCT-2005       3000                    20
      7782 CLARK      MANAGER         7839 28-OCT-2005       2450                    10
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      7654 MARTIN     SALESMAN        7698 30-OCT-2005       1250       1400         30
      7566 JONES      MANAGER         7839 31-OCT-2005       2975                    20
      7521 WARD       SALESMAN        7698 01-NOV-2005       1250        500         30
      7499 ALLEN      SALESMAN        7698 02-NOV-2005       1600        300         30
      7369 SMITH      CLERK           7902 03-NOV-2005        800                    20
14 rows selected.
SQL> delete from emp where hiredate < sysdate - 30 ;
10 rows deleted.
SQL> select * from emp order by hiredate ;
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      7566 JONES      MANAGER         7839 31-OCT-2005       2975                    20
      7521 WARD       SALESMAN        7698 01-NOV-2005       1250        500         30
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SQL>

How to calculate variance between two dimension values

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I have more than 7 scenarios and more than 40 measures. It could even be the difference between two product categories. How do I do it either in AW or at BI Beans Level?
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regards
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You want to look at qualified data references in the OLAP DML references. Basically, any data reference may be qualified by specifying a dimension name and value:
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Function Module to get the difference between two times.

Hi All,
I want to know if there is any function module that gives me the difference between two specified times.
For Ex: Time 1: 12/01/2007 00:01 A.M
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Could some one please suggest if there is any function module for this case.
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Hi, You can use the following function module to calculate the diffrence between to dates in the unit that you want.
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Parameters:
EXPORTING
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     I_START_TIME "The start time of the time interval
     I_END_DATE   "The end date of the time interval
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     ' '     =====     Day (default)
     D     =====     Days
     H     =====     Hours
     MIN     =====     Minutes
     MON     =====     Months
     S     =====     Seconds
     WK     =====     Weeks
     YR     =====     Years
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IMPORTING
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Message was edited by:
        Rajesh Soman

Java code to get the difference between two dates in days

Hi ppl,
I need to write a user defined function to get the difference between two date nodes, in days.Please help me out
regards,
Prashanth

Hi,
have a look at those two:
(How do I calculate the difference between two dates?)
http://joda-time.sourceforge.net/faq.html
Calculating the Difference Between Two Datetime Stamps
http://www.xmission.com/~goodhill/dates/deltaDates.html
Get difference in days
http://javaalmanac.com/egs/java.util/CompDates.html
Regards,
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To calculate the variance percentage

In below given query , i want to calculate the variance between Forecast and sale.
Here
FRCST - Forecast
SALE - Sale
FRCST-sale - Difference between forecast and sale
Now i want to display one more column i.e Variance
I need a statement to caluclate the DIFF / FRCST. The result should be displayed according the conditions :
1) If Forecast is Zero, and Sale is Zero - then result should be No Forecast and Sale for the item
2) If Forecast is Zero, and sale is not Zero, then Sale against Nil Forecast
3) If Sale is Zero and Forecast is not Zero then No sale against Forecast
4) If difference between Forecast and Sale is zero (Both are non zero numbers) then No Variance
5) If Forecat and Sale difference is not Zero then DIFF / FRCST
The problem arise when the FRCST is Zero and Sale is non zero then divide by zero occurs
Kindly guide me on this..
SELECT ITEM_NAME, NVL(FRCST,0) FRCST, NVL(SALE,0) SALE, NVL((FRCST-SALE),0) DIFF
FROM
SELECT DISTINCT ITEM_NAME
FROM OM_ITEM
WHERE ITEM_CODE LIKE 'F%'
AND ITEM_FRZ_FLAG_NUM<>1
SELECT FYEAR, FMNTH, FITEM_NAME,FRCST
FROM FORECAST
WHERE FYEAR||'-'||FMNTH = :YM
SELECT SYEAR, SMNTH, SITEM_NAME, SALE
FROM SALE
WHERE SYEAR||'-'||SMNTH = :YM
WHERE ITEM_NAME = FITEM_NAME(+)
AND ITEM_NAME = SITEM_NAME(+)
ORDER BY 1

I had changed the query as given below . Its giving me result, but how could i convert the case statement into decode. Is there any simple way for this:
SELECT
ITEM_NAME, FRCST, SALE, DIFF,
(CASE
WHEN FRCST = 0 AND SALE = 0 THEN 'No transaction '
WHEN FRCST = 0 AND SALE <>0 THEN 'Sale against Nil Forecast'
WHEN FRCST<> 0 AND SALE = 0 THEN 'No Sale against Forecast'
WHEN FRCST<>0 AND SALE<>0 AND DIFF=0 THEN 'No Variance'
ELSE TO_CHAR(ROUND((DIFF/FRCST),2))||'%'
END)VARIANCE
FROM
SELECT ITEM_NAME, NVL(FRCST,0) FRCST, NVL(SALE,0) SALE, NVL((FRCST-SALE),0) DIFF
FROM
( SELECT DISTINCT ITEM_NAME FROM OM_ITEM
WHERE ITEM_CODE LIKE 'F%'
AND ITEM_FRZ_FLAG_NUM<>1
( SELECT FYEAR, FMNTH, FITEM_NAME, FRCST
FROM FORECAST
WHERE FYEAR||'-'||FMNTH = :YM
( SELECT SYEAR, SMNTH, SITEM_NAME, SALE FROM SALE
WHERE SYEAR||'-'||SMNTH = :YM
WHERE ITEM_NAME = FITEM_NAME(+) AND ITEM_NAME = SITEM_NAME(+)
ORDER BY 1
)

I need to retrieve the a set of rows in between two rows from a table.

consider employees table and primary key employee_id.
With out using EMPLOYEE_ID column in the where clause or between clause, I need to get the records between 104 and 116 or a set of records between two rows.
Can any one help me in this... i know this is simple but am just a fresher to oracle development... help me grow....
Thanks,
Arun

ya at last i got the out put... thank guys for thinking with me....
SELECT rownum, employee_id FROM (SELECT rownum, employee_id FROM employees ORDER BY employee_id)
WHERE ROWNUM <=8
MINUS
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Calculate the variance between two row

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