Hi,can anybody help me why outer joins are useful some times than inner joins in frame work manager while creating a model.

Explain what Cognos DecisionStream is for extraction, transformation and loading a data into datamart?

How does a firewall provides security for report net?

What is notation for cardinality?

What is meant by dynamic column. How can you create dynamic column in reports?

How to migrate impromptu reports to cognos reportnet?

How can you explain about the work flow of your project.

How to evaluate the cube?What are the differences between Cognos 8 and Cognos 7.x version?

How to apply securities (in Oracle Enterprise Manager) for the Content Manager (Database) while installing Cognos?