Heterogeneous Product Schema

Applying the concept of heterogeneous product schema in manufacturing & supply chain

Dear moderators and users, This is my first post here. I am involved in dimensional modeling of a manufacturing DW/BI project. I have the following scenario. Let me describe it here. The image above depicts a sample process flow in a factory; wit

Modelling Heterogeneous Product table

My Modelling of products has led me to a Heterogeneous Product situation such that if have 10 Product , we have 11 Product dimensions: 1 simplified dimension describing all the productsand 10 extended dimensions describing the custom

Heterogeneous Security Dimensional Model

Hello, I inherited a DataWarehouse with a hybrid Model. We have a Security dimension table (PK is SecurityId) that has several different types of securities (i.e stocks, bonds, cash). Each of these types of Securities has its own table with specific

Why Heterogeneous?

Hi, I am a fresh student and I am trying to understand the Heterogeneous concept. I am wondering what the difference is between a Heterogenous schema and a regular schema. Why would someone use a heterogeneous vs a regular schema and when is it

Modeling many heterogeneous observations in a single fact table

I work with clinical health care data, which is very different in nature than the financial and transactional data common to the business world. Clinical data is extremely heterogeneous, with a high degree of dimensionality and less obvious fact-ness

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DWT 2nd ed insurance schema

DWT 2nd edition chapter 15 is about insurance. Is the schema described available in more detail anywhere?

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Bridge tables versus massive junk dimensions

I am designing a star schema to store information on hospital stays. This is my first real star schema and things are off to a good start. My fact table is hospital stays. I have a diagnosis dimension. There are multiple diagnoses per stay. Costs are

How to handle a change in the child dimension in snow-flake schema?

I have a Project dimension table and a Project Manager dimension table. Each Project has one Project Manager. The Project Manager table has a Project_Manager_Key (the surrogate key), a Project_Manager_ID (the business key), a Project_Manager_Location

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