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A top-to-bottom relationship among the items in a database is established by a

<p> </p> <p>A. Hierarchical schema </p> <p>B. Network schema </p> <p>C. Relational schema </p> <p>D. All of the above </p> <p>E. None of the above </p>

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Question added by Emad Mohammed said abdalla , ERP & IT Software, operation general manager . , AL DOHA Company
Date Posted: 2015/01/11
Ibrahim Hussein Mayaleh
by Ibrahim Hussein Mayaleh , Sales & Business Consultant and Trainer , Self-employed

I have no idea, but thanx for the invitation

Vinod Jetley
by Vinod Jetley , Assistant General Manager , State Bank of India

A. Hierarchical schema

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