Bride Tables | tim

Does it belong in the stage tables or fact tables?

If I have a fact table with a "counter" fact, for example a customer places an order, but then goes back and changes parts of that order any number of times, I want to store how many times the customer changed his/her order. The grain of the

Building aggregate fact tables from staging

Hi, Is it acceptable to create an aggregate fact table from the staging tables after you have cleaned out the data in staging? I know usually you're supposed to create aggregate fact tables from the fact/dimension tables, however can it be done straigh

Modelling question - Multiple fact tables with one to many relationships and querying from many fact tables

Its a new capital markets data warehouse in design stage. I have deal_deatils_fact - 1 row per deal with all measures at deal level - dealID (Degenerative DIemsnion - DD) deal_tranche_fact - 1 row per deal per tranche with all measures at the

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

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

Staging Activities

What are the common staging activities that the Kimball method recognizes? Traditionally I have used staging databases to 1) Decouple from the source-to-Data Mart for restartability 2) Consolidate multiple sources and source formats into a single

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.

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

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

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

Announcements and Sticky topics in seperate tables!

Yep, according to the topic /other-problems-f46/possible-t76511.htm it isn't possible to split global announcements and stickies in a seperate table. I'm suggesting for this to be possible! I hate it when the forums are so messed up! I'm sure the

Multiple Many-To-Many relationships

I've read quite a bit on dimensional modeling but this would be my first go in reality. Any help would be greatly appreicated. Here's what I've got... An existing subset of our DW would be: Fact_tx Dim_Customer Dim_Product One of our source

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