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Database Architecture & Modeling MCQs | DBMS Multiple Choice Questions and Answers

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Database Management System multiple choice questions and answers page contain 5 questions from chapter Database Architecture & Modeling. Each objective question has 4 possible answers. Choose your answer and check your answer with the given correct answer.
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(21) Which one of the following design is both software and hardware independent ?
[A] Logical
[B] Physical
[C] Conceptual
[D] None of the above

Comment

Answer: Option [C]
(22) Object based data models are used in describing the abstraction of the following level :
[A] Only physical
[B] Conceptual and view
[C] Physical and conceptual
[D] None of the above

Comment

Answer: Option [B]

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(23) A schema describes :
[A] Record Relationship
[B] Data Elements
[C] Record and files
[D] All of the above

Comment

Answer: Option [D]
(24) An abstraction concept for building composite object from their component object is called :
[A] Specialization
[B] Normalization
[C] Generalization
[D] Aggregation

Comment

Answer: Option [D]
(25) Manager’s salary details are hidden from the employee. This is :
[A] Conceptual level data hiding
[B] Physical level data hiding
[C] External level data hiding
[D] None of these

Comment

Answer: Option [A]

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DATABASE MANAGEMENT SYSTEM MULTIPLE CHOICE QUESTIONS & ANSWERS – E-BOOK

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