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Explain the role of metadata for the three-layer architecture ?

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Question added by Emad Mohammed said abdalla , ERP & IT Software, operation general manager . , AL DOHA Company
Date Posted: 2015/01/08
Vinod Jetley
by Vinod Jetley , Assistant General Manager , State Bank of India

Each of the three layers has a metadata layer linked with it. The metadata layer describes the properties or characteristics of the data. The operational metadata describe the data used in the various operational and external systems. The enterprise data warehouse metadata describe the reconciled data layer. The data mart metadata describes the derived data layer.

Ibrahim Hussein Mayaleh
by Ibrahim Hussein Mayaleh , Sales & Business Consultant and Trainer , Self-employed

I really have no idea, my knowledge in this field is very limited. But thanks for the invitation. 

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