crmdata-warehousefact

Fact Tables - CRM - Customer X Events


I am new in DW and I have a simple question. Imagine that I want to create a DW to analytical CRM.

I have a fact table called Event and I have a dimension called Customer.

The problem is. One event can have N Customers, and one Customer can be in N events.

So the relation between Customer(dimension) and Events(fact) are NxN. Is that schema is correct? If not, what schema will be better for this case?


Solution

  • In essence a fact table is a many-to many table in between dimensions. So in your case,

    OR