How to create a Ratio in Cognos Report studio Reports?

Answer Posted / the_xxx

RATIO_TO_REPORT

This rank function calculates the ratio of a value to the
sum of the values for the entire set.
Syntax

RATIO_TO_REPORT( numeric )

Parameters

*

numeric-- Any numeric data type expression, typically
a reference to a numeric column.

Return Type

DOUBLE PRECISION.
Remarks

Returns a number for each row in the set that is the row’s
ratio to the sum of the entire set. When expression results
in NULL, the function returns NULL. When the sum of the set
is zero (0), the ratio is also zero.

Note: This function cannot be used as an argument in a set
function, moving set function, or rank function. For
example, SUM(RATIO_TO_REPORT(...)) is illegal.
Example

Determine what percentage each product sales is to the total
sales of all products for the last 20 weeks:

SELECT prod_description DESC,

SUM(dollars) as sales,

RATIO_TO_REPORT( SUM(
li_amount )) * 100 AS ratio_dollars

FROM lineitem, product

WHERE lineitem.li_prod_id = product.prod_id

GROUP BY prod_description;

DESC SALES RATIO_DOLLARS

Widget 896931.15 12.88

Basket 514830.00 7.39

Football 507022.35 7.28

Oil Drum 503493.10 7.23

Computer 437863.00 6.29

Chair 429637.75 6.17

Desk 424215.00 6.09

Mesh Bag 421205.75 6.05

Shoelace 417261.00 5.99

Powder 397102.50 5.70

Telephone 394086.50 5.66

Cord 392377.75 5.64

Mouse 389378.25 5.59

Monitor 305859.75 4.39

Case 294982.75 4.24

Cup 236772.75 3.40

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

I have two queries in first query i have to show all values,in second query i have to show 3 values and want to hide 3 values what prompt ur going to use, why that prompt

1830


what are the errors faced while bursting the reports and how to solve those errors?

1571


What is main advantage datawarehousing over oracle?

562


how to develop dynamic dashboards, and what is the difference between static and dyanmic dashboards in report studion and need with example. plz mail me on this email id vasucognos4@gmail.com

3466


--------------Diff b/w ODS and OLAP?

2762






what is degenerate key in oracle ?whare do we use it?

2067


Source table has 5 rows. Rank in rank transformation is set to 10. How many rows the rank transformation will output?

596


Can you define bitmap index?

598


What is the difference between a cascading report and drill through the report?

735


How Metrics Studio is better than Report Studio?

2034


what is the main advantage of impromptu over cognos reportnet?

612


What do you understand by user class in cognos?

536


Explain what is the difference between native sql and cognos sql?

531


What is the difference between Open Connection command ang Open Session Command?

1922


What are cognos connection initial page components?

601