Which of the following establishes a top-to-bottom relationship among the items?a.Object-oriented schemab.All of the mentionedc.Hierarchical schemad.Relational schema
Question
Which of the following establishes a top-to-bottom relationship among the items?a.Object-oriented schemab.All of the mentionedc.Hierarchical schemad.Relational schema
Solution
The answer is c. Hierarchical schema. This type of schema establishes a top-to-bottom relationship among the items. It is like a tree structure where each entity, except the top one, is connected to one or more entities in the level above it.
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