Multi-Valued Attributes in SQL Server Analysis Services (SSAS)

A multi-valued attribute in data warehousing terms is a dimension attribute that has more than 1 value for a particular dimension member. Rather than focus too much on the warehouse technique in question Vincent Rainardi's blog post provides a very good technically agnostic explanation far better than I could.

When we come to model this in SSAS we can consider each of solutions presented by Vincent: