Using a dimension in multiple fact tables with different grain and ...

Textual values in dimension tables

With much interest I am reading "The Data Warehouse Toolkit", and I stumble upon a design thing that I have done differently in my Data Warehouse design (this is described in the book on page 42). It describes about the dimension table that it

Fact Table Grain at a Sub-Atomic Level

I'm thumbing through the Design Tips and would love to find some thought given to the statement made in The Data Warehouse Toolkit: The Complete Guide to Dimensional Modeling (pg 34): "Preferably you should develop dimensional models for the most

multiple 'fact' tables - daily detail and monthly allocations

I am sure this has been asked but I could not find a direct answer. We have an EDW with a transaction level fact table including pertinent financial detail. For the purposes of this question there are multiple transactions per client, and multiple clients

1 Dimension used multiple times in 1 fact table?

Hello, I have a dimension used to store several types of 'bands' like monthly income bands, available income bands, risk bands, settlement bands etc. If I leave out all the lineage columns this is what the dimension looks like: DimBandID BandType

Fact dimensionality

I often run into the situation the we have several fact tables with different grains, but are related through a single ID at the transaction level. Typically the dimensionality is the same, but the related information doesn't exist in the source

Fact table with multiple date ?

Hi, I am modling a fact table for prisoners inscription in order to track historical changes. An admission is the hole stay comprise of one or many inscriptions usually separated by transferts between institutions. In the transactionnal system, it

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

Dimension Design with Multiple Data Sources (ORACLE and SQL Server)

Hi All. We have a client that is currently migrating from a legacy SQL Server (6.5) based ERP to Oracle e-Business Suite. The old legacy system was distributed in both application and database, however the application and database structure was (almost

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

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Using a dimension in multiple fact tables with different grain and support SCD