Data Warehouse Failure Statistics

Data Warehouse for survey data

Hi All, Working with a company which uses Salesforce.com heavily. They have a large number of custom fields, and great volatility in them - frequently adding and deleting them when they cease being relevant (They collect survey data for their clients).

Data Marts, Conformed dimensions and Data Warehouse

Hello, Can you please assist me in understanding the following. I am new to data warehouse. I'm using microsoft products to build my enterprise DW/BI 1. Do I build data marts for my enterprise DW/BI or do I iteratively build a data warehouse? I

SOA and Data Warehousing

Hello everyone.... I need your help here. I am working on some DW related roadmaps. I am stuck on role SOA(Service Oriented Architecture) is going to play in Data Warehousing ETL in- particular and BI in-general. Your comments on above mentioned are

Data Warehouse Purge Strategy - HELP

I'm looking at the best way to implement a purge strategy in a dimensional model. The reason to purge is that no personal data can be kept after 4 years, but the users would still want to see counts/facts by no identifying data. For example i couldn't

Data Warehouse Modeling

Hello there, Considering the case that i am assigned to work on, which is to decide on the most appropriate schema to be chosen for the Data Warehouse / Business intelligenece Project. First of all, i would like to know the available options for me,

Data Warehouse with high data availability

When a data warehouse is being updated by periodical ETL load, there could be significant performance impact on the end users' reports while the underlying tables are touched. The data becomes volatile and the query results could be different between

Request of information: Italian softwarehouse for federated Data Warehouse

Hello, I work for an Italian financial Company that needs to reorganize the current reporting system (mainly based on Business Objects), which is made of many Data Warehouses and Datamarts in Oracle and SAP/BI. I'm interested in a federated solution

Defining technical requirements for a datawarehouse, an existing one at that

I have no experience doing requirements documentation for a data warehouse, and am hoping an experienced practitioner or two can provide some practical lessons from documenting a data warehouse. To add an extra twist, the data warehouse is already in

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

Data Warehousing Vendors (Manufacturing)

Dear Sir or Madam We are a local company located in Syria, specialized in Industrial Confectionary Development (Food; Biscuit, Chocolate and Juice) The company seeks to find consultants/ vendors in order to initiate a data warehouseing project to be

How to make Statistics like this

Hi, guys I post this here cuz I think it got something to do with javascript. So, How to make Statistics like this Ex: Total posts 000 • Total topics 000 • Total members 000 • Our newest member Maki1

Data Vault v's Dimensional Model

Seems to be a lot of interest over at LinkedIn around the DataVault model. I wondered what the thoughts were about it. When would you use it v's a Dimensional Model or even a 3NF for a data warehouse. more info here:

Data Mining

I'm requesting that folks pitch in and give me their results from bosses. What I'm hoping to accomplish is first of all a verification of preexisting drop rates already determined for the facebook version. Second I'd like to build a proper gear/unit/fp