Answer:
A hierarchical data base is a data model in which the data is organized into a tree-like structure. The structure allows repeating information using parent/child relationships: each parent can have many children but each child only has one parent
A hierarchical database is a database which formed with a root nodes and leaf nodes.An leaf node is the last node and each root node having at-least one node. this may not be the last node connected in a tree-like structure.
A hierarchical database is a database which formed with a root nodes and leaf nodes.An leaf node is the last node and each root node having at-least one node. this may not be the last node connected in a tree-like structure.
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