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February 21, 2013 5:51 am / Leave a comment
A DBMS is said to be hierarchical DBMS, when the data is organized like a tree structure. That means, it simply represents the data using parent – child relationship. It is the oldest style of organizing/storing data and still some organizations are using this.
It follows one to many relationship. i.e. All parents can have more than one child, but each child should have only one parent.
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