in a hierarchical model of data records are
In a Hierarchical model of data records are organized ?
In the hierarchical model of data records are organized as Tree structure.
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an entity set that does not have sufficient attributes to form a primary key is calledan entity set that doesnt have sufficient attribute to form a
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in a hierarchical model of data records are organized in the hierarchical model of data records are organized as tree
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in case of entity integrity the primary key may be declaredin a case of entity integrity primary key may be not
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