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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 (a) Hierarchical schema (b) Network schema (c) Relational schema (d) All of the mentioned This question was addressed to me in an online quiz. This is a very interesting question from File Organisations in portion Storage and File Structures of Database Management

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Correct option is (a) Hierarchical schema Easy explanation - A hierarchical database model is a data model in which the data is organized into a tree-like structure. The structure allows representing information using parent/child relationships.

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