what is the difference between group and association?
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Answer Posted / vidya
When we group data, Cognos sorts the data item as we
grouped and removes duplicate values. We can organize our
report by grouping on one or more data items.
By associating a grouped data item to another data item we
can eliminate duplicate information from our report. We can
associate one or more data items with a grouped data item.
An association is a group of users joined together for a
purpose. Both group &Association eliminates duplicates
value but we can not use association alone.. An associated
data items hould have a one-to-one relationship with the
grouped data item.
For example Order No. is agrouped data item. For each order
number there is an Order Date. Order No. and Order Datehave
a one-to-one relationship.
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