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Martijn Evers
Works at I-refact
Attended Radboud University Nijmegen
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Martijn Evers
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Introduction When you create temporal data models, either with Data Vault, Anchor modeling or any other way, you end up with several tables with timelines in them. These timelines often need to be combined for going to Data M...
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Nope, see Anchor Modeling for example www.anchormodelling.com , that creates a lot of tables intentionally. The amount of joins required is not a good indication of well formed schema designs. In DV we do a LOT of temporal joins here.
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Martijn Evers

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currently testing copy as a replacement for dropbox as my online file sharing collaboration tool.
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Education
  • Radboud University Nijmegen
    Computer Science, 1990 - 1995
Contact Information
Work
Mobile
+316-18671064
Email
MSN
DataMastersUnseen@outlook.com
Skype
dm_unseen
Story
Tagline
DWH/BI Architect & Modeling fanatic (Temporalisation, Data Vault)+ SQL Server & Powerdesigner specialist
Introduction

Specialist on Data & Information system design and management, usually in Business Intelligence and Datawarehouse Design & Development. Specialises in Temporal modeling, Data Vault & Other Anchor Oriented modeling Techniques. Currently researching temporal metadata driven DWH applications. See my LinkedIn profile for more information.

 

Work
Occupation
Data/Information/BI/Datawarehouse Architect, Coach & Consultant
Skills
Powerdesigner, SQL Server, Business Objects, Information Modeling, Data Vault, Anchor Modeling, Dimensional Modeling, SAP, Data Modeling, Oracle, Information Architecture, Databases, Data Architecture, Data warehousing, Business Intelligence
Employment
  • I-refact
    Owner & Director R&D, 2014 - present
  • DWH MATTER
    DIrector, 2013 - present
    Heading the DWH MATTER educational program. Structuring and coordinating the program contents and organisation. The DWH-MATTER educational program is a unique collaboration between higher education and field experts on advanced data modelling, data warehousing and automation. M.A.T.T.E.R stands for: Model and Automate your data using Meta-data Temporalization and Transformation building and Enteprise Information System (EDW,ERP,CRM) in a Relational Database Management System
  • Hogeschool Arnhem Nijmegen
    2006 - present
  • DataMasters(Unseen)
    Independent Consultant, 2011 - present
  • Radboud University Nijmegen
    Information & BI/Datawarehouse Architect, 2007 - 2014
  • Intergraph
    Analist, 2000 - 2006
  • Kenniscentrum handel
    Consultant, 2006 - 2007
Basic Information
Gender
Male
Other names
DM Unseen, DataMasters Unseen