In cognos 'group' is used to suppress the duplicate values And 'associate' is used to suppress the values if it is one-one relationship.
Group - It Eliminates the Duplicate values from the report break the columns. Its having a one to many relationship.
Association-It Eliminates the Duplicate values from the report and its having one-one relationship.
Both Group & Association eliminate duplicates in a column.But we cannot use Association alone.It should have one to one relationship with grouped column. Using Association is a performance enhancement technique.
Ready to start your tutorial with us? That's great! Send us an email and we will get back to you as soon as possible!