Can a Decision Model Define Uniqueness of Objects inside a Collection?

This question was asked by Antonio Plais – see the LinkedIn discussion. Several practical variations of this question were mentioned: 1) Define if the same product appears more than once in the same sales order; 2) determine the uniqueness of records in a file to be loaded into a Data Warehouse.  Obviously, the question deals with business rules defined on collections of objects – not the most popular topic among decision modelers. Continue reading

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