Populating Product dimension

Populating Bridge Tables Technics

Hi, I'm trying to figure out which are the best practises concerning the populating and maintaining bridge tables using ETL tools. I have a transaction fact tables, and each row of it involves 1 or more rows of Departement dimension table. I gues

Customer Dimension

I am trying to model a Customer Dimension with Educational and Employment details and I want some advice on how to model this scenario A Customer can have several levels of Education like schooling, college, university, training (one to many realtionship

How to model Product Bundles

The situation: Wholesale sales business process SKU1 and SKU2 can each be sold separately. SKU3 can also be sold separately but is a kit of SKU1 and SKU2. We need to calculate royalties for each unit we sell of SKU1 and SKU2. SKU1 has two royalty

Indicator Dimension or Fact Table

Sorry, this is a long explanation but I wanted to document the entire case. Thanks in advance for your advice. Background: Currently we are modeling a data mart for traffic accident data. The source system is a repository rather than a

Date Dimension Creation

I've read several of the Kimball Group Books and each time I read about a Date Dimension it is recommended that it be built in a Spreadsheet. Is this still the accepted method? I'm generating mine in SQL Script and I wondered if most were still using

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

Audit Dimension Help

Hello all. I'm at the stage now where im building the audit dimension for my warehouse. I am having a little trouble figuring out a few things though. How do you aggregate the data from the error event fact table into the audit dimension? Some records

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

How to handle a Type I or II dimension with a snowflaked customer sub dimension (kimball book page 337, 338)

Hello, Within Ralph his new book he describes recommanded situations for snowflaking a dimension. His example is a large customer (visitor) dimension. (page 337, 338 and figure 10-6). I find the artical good, but there is missing one part of this

Overlapping Dates in a dimension

Hi, I am wondering if someone could advise me on how to deal with this design problem. I have a promotion dimension keyed to a sales fact table. Initially, we thought that only one promotion could be active at one time for a sale, but it is actually th

Normalization in DWH environment

Hi All, Recently I came across a question,would like to post it here for the views of the members. What normalization form are the Fact and dimension tables and why (with examples aligning to the Normalization definition) Thanks, Dheeraj

MDX(or something else) for getting history based on last dimension characteristic for SCD.

Hi everyone, I am implementing a cube and I run into a problem with slowly changing dimensions(SCD type 2). I guess it might be resolved somehow with MDX or somehow else, maybe you guys can help me to resolve it. The problem: I have SCD, say Policy wit

Date Dimension

Hi All, I understood Kimball way of implementation Date Dimension table. In a way, the lowest granularity date represent each record, with the following month, quarter and year attribute. However, what happen if the lowest grain of certain fact are at