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Give an example of a three-level \"Is-A\" hierarchy and a three-level \"Has-A\" hierarchy other than the...

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Programming

Give an example of a three-level \"Is-A\" hierarchy and a three-level\"Has-A\" hierarchy other than the ones discussed in the lecture.



Just provide as many examples as you can,
thank you

Answer & Explanation Solved by verified expert
4.4 Ratings (680 Votes)
In hierarchical model data is organized into atree like structure with each record is having one parent recordand many children The main drawback of this model is that    See Answer
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