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The most commonly used data model is the:

ARelational data model
BRotational data model
CReticular data model
DRecursive data model
Answer & Solution
Correct answer: A. Relational data model
1. DBMS types are classified by their underlying data model. 2. One model dominates in practice. 3. The most commonly used data model is the relational data model. 4. So the answer is the relational data model. _Source: syllabus Computer Science, Ch 8 'Database Concepts'_
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