1 Dimension used multiple times in 1 fact table?

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

Hello users, i've a question about using a dimension in fact tables with different granularity and at the same time retain support for SCD. My scenario: I have one Dimension called Apartment. This Dimension cosists of the following related

Dimension with two hierarchies

I need to design a dimension with two hierarchies 1. Location -> Building -> Room -> Cabin 2. Location ->Building I need the hierarchy 1 to be referenced in one FACT table and hierarchy 2 in other FACT. But my ETL tool allows only the dimension ke

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

Multiple facts in a fact table

One proposed model for our business (wholesale/retail) sales fact is to have every register ring in one fact. This causes refunds, voids, coupons and other 'facts' to be stored in a single fact entity. There is a column type dimension that then tells us

Multiple Fact Tables vs. Consolidated Fact Table

I am trying to put together the bus matrix (to identify the facts tables) for a government correctional agency and am debating between multiple facts for each event in the life cycle of an offender vs. fewer fact tables. I wanted to avoid joining multiple

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

Transactional detail fact table w/complimentary snapshot table. How do the two play together?

Take a detail daily banking transaction table with standard credit and debit level transactions. I want to build the accompanying snapshot that would present the higher level rollups of these lower transactions: There are about 250 daily transaction

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

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

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

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

Random Facts October

They grow up so fast! RF: The staff is organising a birthday party for the forum, but don't tell anyone!

Multiple clickable portions on a Image.

Multiple clickable portions on a Image. Using HTML make Mutliple portions on a image clickable Hello Everyone This is a very simple tutorial to make multiple clickable areas on your image. Enter this code into your HTML Page. Code:<img