Handling History tables in Dimensional Model

How to create transactions SCD2 from many SCD tables

Hello, During the design of a HR data mart I had a problem that was repeated in every dimension: All the dimensions are SCD type 2 and their sources are few operational tables that each table has a history records. For example: Dim Employee is buil

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

Handling different Time Zones

I have SSAS 2008 with sql server 2005 database as a source. Currently, we store all dates in UTC time and use system generated Time dimension in the cube. Up until recently the granularity of a day was just fine for our needs. Now ( I've been doing

Rule based algorithm to convert an ER model to a dimensional model

I recently came across two white papers by Moody/Kortnik that show how to use a rule based algorithm to transform an ER model to a dimensional model. I have made the papers available on my

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

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

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.

anyone use Talend for a production dimensional model build

I'm looking at Talend as they seem to be on a roll with the recent inclusion of Data Quality and Master Data Management components into their suite. Wondering what experiences anyone has had building a standard dimensionally modelled Datamart or Data

Chapter 7 sanctions and resolutions...a history

On May 22, 2003, the United Nations Security Council voted 14-0 to adopt a US-sponsored resolution advocating the formal lifting of UN economic sanctions against Iraq. These measures, imposed with US sponsorship when Iraq invaded Kuwait in August 1990,

RP Basketball...The Road Back To World Championship 2010

Yeng Guiao is the best to coach the next National team, I hope he will include these players: the best line-up for me: Lordy Tugade James Yap Gabe Norwood Anthony Washington Kelly Williams Jared Dillinger Jimmy Alapag Jay-jay Helterbrand Asi

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

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