star data model and reporting with different dimension groupings

Operational Reporting from a Dimensional Model

Having worked with various models over the years, i'm begining to think that a multi layered data model approach is best for medium and larger corporations. (see my IM model here

Question on symmetry in Star schema

Hi I read Kimball's Data warehouse toolkit and I came across a point that one of the advantages of having star schema is - BI / reporting tools in the market can leverage the symmetrical nature of the star schema. From what I know and I could

Snowflake or Star Schema?

Hi, I am doing some dimensional modelling for a "not for profit" Fundraising Company They solicit Funds from the WEB, Direct Mail and Phone Solitications, etc and all Transactions are stamped with the FundID. The legacy system has all

Confusion - star, snowflake, bridge table

Appreciate your expert comment on following: Entities: Quote, Trade, DIRequest, Order User, Customer, Trader, Sales or Marketer and Product - User is a user who is using the system or interfacing with the system. i.e. requesting quote or placing a

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

how to model an event log

I am trying to model the following event data: Field1 = event date, field2 = event code, field3 = location code, field4 = customer_id, fields5 to 8 are event code specific, ie.

Dimensional Model Vs Views as Structure for BOBJ Universe

I have a fairly complex data mart (multiple fact tables: 5 at the moment and several more coming; 4 shared dimensions across the 5 facts, 26 total dimensions and several bridge tables). I used standard best practices for building the Business Objects

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

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

Data Mining

I'm requesting that folks pitch in and give me their results from bosses. What I'm hoping to accomplish is first of all a verification of preexisting drop rates already determined for the facebook version. Second I'd like to build a proper gear/unit/fp

Kirby's Epic Yarn!

So I got this today! Everybody with a soul enjoys some Kirby every now and then. This si Kirby's first console platformer game since Kirby 64 way back in 2000, I think it was. Time flies, eh? So here is what Sparky thinks of it: First off, Toys R' Us i

Reasons to use a 3NF design over a Dimensional Model design for an EDW - Discussion

I've been dimensional modelling for well over 10 years, and strongly held the opinon that only a dimensional model would work for an EDW, however i'm now begining to think that there are certain requirements that lead to a 3NF design for an 'Enterprise