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What is the logical description of the entire database showing all the data elements and

What is the logical description of the entire database showing all the data elements and

   
What is the logical description of the entire database showing all the data elements and relationships among them called?

(a)Data definition language
(b)Data dictionary
(c)Physical schema
(d)Conceptual schema
(e)Subschema.

Johnson 29-Dec-2017

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