A top-to-bottom relationship among the items in a database is established by a Options: A . &nbspHierarchical schema B . &nbspNetwork schema C . &nbspRelational schema D . &nbspAll of the above E . &nbspNone of the above

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

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

Answer: Option A

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