Updating a Fact Table

Updating Fact Table : Best practice

Hi, Ssystem used : Windows 2003 srv SQL Server 2005 STD for the OLTP SQL Server 2005 Ent for the DW with - SSIS for the ETL - SSAS for the cube ASP.NET control to display the OLAP for the user I know theres is not "one size fits

Techniques for Updating existing fact records

I have certain cases where I need to adjust the data in the fact tables due to late arrivers etc... I wanted to get peoples opinion on what techniques work best when you have to do updates to Fact rows i.e. overwrite, adjust but keep audit

Updating Periodic Snapshot Fact Tables

What are the best practices for maintaining periodic snapshot fact tables if the atomic data that created them is modified? We have a couple periodic snapshot tables that capture new inventory and new revenue at the end of every month. Sometimes the

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

Fact Table Indexing Strategy

Please explain the indexing strategy which is in use in your organisation for fact tables in your current database(oracle, sybase, db2) Specify volume as the indexing strategy may be based upon the volume of data. Is there a well laid out strategy

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

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

Montly Snapshot views with transactional Fact table w/SCD2

I am a new at working with Dimensional Database design. I am struggling with something that probley is real easy to do, but just can't find documentation that will explain it. I want to create a monthly snapshot view of my transactional Fact table with

Combination of SCD2, partial snowflake, Effective and end dates in fact table

We are creating dataware housing for multitanant based systems for HR module. Requirement ?Able to report on historical data for any given data time. Active employees headcount till given date. (as of that day) Onhire and termination based on perticula

Questionnaire for medical record entries

Good afternoon, I am currently working on a data warehouse in the health care sector and I currently facing this problem: The aim of this warehouse is to have an overview of a cancer therapy. So, I have created the following fact table

Random Facts October

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

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