What is Hierarchical model in DBMS ?
Features of Hierarchical Model This model is based on the tree structure. This model contains a collection of records that are connected by each other by links. Tree structures that…
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hierarchical model example
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Design a database for a hierarchical data like country, state, zone, street etc., The tags and length of the hierarchy are not specific and they can change anytime ?
Answer : Hierarchical data is a common relational data pattern for representing tree-like data structures…
