-----------Diff b/w OLAP and RDBMS?
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which table we load first in DW. dimension or fact? why?
4 Answers IBM, JPMorgan Chase,
I have two date promts which optional. by defalt it will be checked.i want to unchek that date prompts.How to uncheck the date prompts in cognos
Synchroness 1.What are hash prompts? Ans: Tree prompts in which hierarchies can be seen,they can be said as hash prompts. 2.User wants to see 5 more coloums in the report.We have package and data base,how will u implement using it in report.? Ans: 3.What is automatic optimization?what is optimization?what are the properties you set for optimization in report studio? 4.what is command to display first 10 records from a table? IGATE 1.In FM if we change a fact symbol to attribute,will it effect the report? 2.If a report is slow in generating output. How do u perform tuning? How do u reduce joins in sql? Using left outer join is it going to improve the report performance? IBM 1.How do you configure ? 2.How do you drill through report from RS to Analysis studio?
what is meant by roll up and roll back in dataware housing????
4 Answers Covansys, IBM, Wipro,
What is a query set?
Can you define a catalog and types of catalogs in cognos?
which difficult you faced in your project?
We can use a calculated field to dynamically create the burst recipients in Cognos 8. Can we do the same in Cognos ReportNet 1.1?
What are user classes?
What are the uses of query explorer? Give example for each use in detail. It is not given clearly in user guide so explain in detail.
what is session parameters? what is use?
what is meaning by Master detailed relationship ? please explain one example