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Mickaël RIO DE ARAUJO
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This article is the second of a serie which aims to demonstrate that with the right approach and the right modelisation method, your Data Warehouse initiative, can be successful at a very reasonable price. In particular we will make a deep dive into the main component of the Data Vault method: The HUB

A hub contains a natural key to identify uniquely (at least, it is hoped!) an instance of a business concept. A natural key is a key which is visible and used by the organization to identify an instance of a concept. As an example, the employee number is used to uniquely identify an employee in different contexts/processes : human resources, management of parking lots, incidents, payroll, financial system… The employee number is therefore the point of connection (communication) of the ’employee’ concept between different business units, Hence the name Hub.
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Critical Chain Project Management: An Introduction, Part 1 of 2 : http://youtu.be/RwYINWXrS40
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