what is the difference between aggregation and roll up
aggregation?



what is the difference between aggregation and roll up aggregation?..

Answer / magiccube

Aggregation: It will sum up all group column data.

Rollup Aggregation: It will sum up Groupwise data.

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Cognos Interview Questions

Interval Prompt's Usage? Example for usage in Project

2 Answers   Cap Gemini,


Can you define materialized view?

0 Answers  


Can you define report item?

0 Answers  


hi my name is siraj i want to know cognos queriy language

0 Answers  


what use of surgate key in project

3 Answers   HCL, TCS,


does query is created for date prompt?

9 Answers  


The vice president of sales has requested a report that shows sales performance by representatives in each country for year 1998. He would also like to see the performance for reprasentatives in Asia in order to present an award to the top sellers when he visits next month.

0 Answers  


how many types of keys are there i.e primary key and foreign key etc..?

2 Answers   IBM,


hi, while opening the cognos8 in ie,the home page is coming,while clicking the report studio the blank page will come after it will showing the home page.But by clicking the cognos connection,Query studio in the same page it's open successfully. only for the report,analysis,event studio is not working properly.i didnot understanding the problem.Iam using the cognos8.1 and sql server 2005.and also checking the cognos connection by clicking the run and its success. Any one Knows pls tel me in detail,becoz its very important iam working in report studio...

2 Answers  


how to improve the report performance?

1 Answers  


Explain the workflow of your current project from end to end?what is the steps?

2 Answers   Accenture, Cap Gemini, Cognizant, HCL, IBM, Infosys, Nokia,


How can I schedule reports in cognos?

0 Answers  


Categories