what is meant by roll up and roll back in dataware housing????
Answer Posted / ajay
roll up means moving up one level in the specified
hierarecy.,ex:time dimension
year-quarter-month-day
moving from month to year is rollup
i think there is no roll back in DW
| Is This Answer Correct ? | 3 Yes | 2 No |
Post New Answer View All Answers
Cleared COG-112 with 100% score today. What next certification should i go for?
What is defined as Cognos Impromptu?
How to generate cubes in cognos?
What do you understand by the cognos?
How is possible this scenario using in type-in prompt.?
What is the difference between Section and Section using Master/Detail in Cognos 8 Report Studio? I tried these both options many times on lists and crosstabs, but dint find any difference. So please give the answer in detail with example.
What are the advantages of shortcuts?
What are the components of the report studio?
what are the limitations of cognos reportnet? What are the enhancements in reportnet ?
what are slowly changing dimensions? Why we are used scd?
What is meant by junk dimension?
What are all the types of indexes in Cognos?
Define olap designer?
Can you define query studio?
What is looping and how to avoid it in framework manager?