Question

In ________ Data Model, the data is stored in the form of linked records, organized into a tree-like structure.

• A. Network
• B. Relational
• C. Fictional
• D. Hierarchical

Hint:

In a Hierarchical Data Model, records are stored in a tree-like structure, where each record is linked to a parent and may have child records.

Answer 1

The Correct Option is D

In the "Hierarchical" Data Model, the data is structured in a tree-like form, where each record is linked to its parent record. This model organizes data in a hierarchy, similar to a tree structure, where each node represents a record and the links between them represent relationships.
Step 2: Analyzing the options.

• (A) Network: Incorrect. The Network Data Model also uses linked records but the structure is not strictly tree-like. It allows more complex relationships between records.
• (B) Relational: Incorrect. The Relational Data Model stores data in tables with rows and columns, not in a tree-like structure.
• (C) Fictional: Incorrect. "Fictional" is not a standard data model.
• (D) Hierarchical: Correct. The Hierarchical Data Model stores data in a tree-like structure with a parent-child relationship between records.

Step 3: Conclusion.
Therefore, the correct answer is (D) Hierarchical, as it describes the data model with a tree-like structure. Final Answer:} Hierarchical.