Linking facts and dimensions at different levels? 1

[MissyEd]

Hello

We have a Sales cube with orders stored at line number level so:

OrderNum -> 1 or more InvoiceNum -> 1 or more LineNum

I've developed another cube that holds Enquiries which are recorded at order level so:

OrderNum -> 0 or more EnquiryNum.

I'm attempting to create a single cube with both Orders and Enquiries in the same cube. I've tried one approach but I'm interested in finding out the best way to handle this.

Many thanks

"There are only two lasting bequests we can hope to give our children; one of these is roots, the other wings" - Hodding Carter

 

[johnherman]

I'm guessing that an Enquiry could become an order or not, depending on the customer choice. In that case, the dimension hierarchy becomes Enquiry, Order, Invoice, Line Item.

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The trouble with doing something right the first time is that nobody appreciates how difficult it was - Steven Wright

 

[MissyEd]

No, these are separate, say for example a customer calling to check where their order is.

"There are only two lasting bequests we can hope to give our children; one of these is roots, the other wings" - Hodding Carter

 

[MDXer]

You would build a seperate measure group that pointed to your Enquiries fact table.

Then depending on your business needs you could build a many to many relationship from Enquiries to Order.