In a ______ database model the data is organized into a tree-like structure and to retrieve data the whole tree needs to be traversed starting from the root node.a.Hierarchicalb.Networkc.None of the answers are correctd.Relationale.Object OrientedClear my choice
Question
In a ______ database model the data is organized into a tree-like structure and to retrieve data the whole tree needs to be traversed starting from the root node.a.Hierarchicalb.Networkc.None of the answers are correctd.Relationale.Object OrientedClear my choice
Solution
The correct answer is a. Hierarchical. In a hierarchical database model, the data is organized into a tree-like structure. To retrieve data, the whole tree needs to be traversed starting from the root node.
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