attributes depending on more than 1 dimension (2 dimensions)

Facts or Dimension Attributes?

My company is currently building a data warehouse and I have a design issue that I am not sure how to address. In general, our business is selling an asset, such as the stock of a corporation, with a certain number of shares and a value. The value of th

User Defined Dimension Attributes

I have a business requirement that is somewhat stretching my modelling skills. The application is a highly sensitive one so Ill describe the problem using a Sales Datamart template. There are 7 plus fact tables, 1 is updated monthly, the rest

Multi-valued dimension with distinct attributes

In the health care data analysis DW, the grain of one of my fact tables is the episode of care. How can I include procedure codes performed on an episode ? if I create a multi-valued dimension for it and used bridge tables to model this, it will end up

Conformed Dimension Partial Set of Attributes

Hi Just looking for some confirmation that a dimension with partial attributes might still be considered conformed. For eample A dimension of batch ProdBatch PK BatchID Batch Name Product ID Product Name ... at an invoice Fact table

Same attribute in multiple dimensions or Create new dimension?

Hi all - I'm struggling with this concept. I have 2 dimensions: Customer and Products. Both share a common single attribute that I'll just call "Owner" for now. If a customer purchased a product, the owner would be the same for both. I

Multi valued dimension attributes, weighting factor and cognos

Hi, we have several attributes in our product and customer dimension which might by multi valued. We modelled these as multi valued dimension attributes using bridge tables and weighting factors therein. Can anybody reference a best practice

Flexiblity To Add Attributes To A Dimension And Not Process The Whole Cube/s

Hello, We are in the process of designing a DW for Games and have run into a business problem : Business users want to add attributes to a dimension and decide its level in the hierarchy on the fly. The new attributes should be availabe in reports

Sparse dimensions, how to handle?

I've purchased the book "The Microsoft Data Warehouse Toolkit" and have reviewed it in order to build out a data warehouse solution I am currently designing. I am stuck in a spot that I don't seem to find any examples of , or am not abl

Supplier Dimension to include Customers & Employees

We are in the process of finalising Dimensions /Facts to be used in Datawarehouse. Already finalised separate dimensions (eg Customer,Supplier,Employee) to handle requirements of Sales,Purchace and Human resourses. During designing Accounts Payable Fact

Cube Processing for Dimension Schema changes

Hi, I had a general question about how cube processing works. If my dimension schema changes (an addition of a property), will I have to do a full reprocess of all cube partitions for which that dimension was member of? Or do I only need to

fact table as a dimension

Hi I'm presently modeling a data mart and I would like to use a fact table as a dimension for another fact table. Is it something doable and efficient or is there a better way to do that? if yes should i just create a surrogate key and link both

DATE OR DATE KEYS IN FACT TABLES

I've read different opinions about the usage of dates in fact tables. If a date is NEVER used to filter and only reported, what is the purpose of adding it as a date key instead of a plain date type? Aren't we wasting the resources to get to the date

Regarding Factless Fact Tables

Some time ago I was asked to build the BI platform for a road safety organization. The warehouse was built of three primary fact tables, each with a collection of associated dimensions. I am now trying to branch out into ETL and Warehouse design, and from