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Database Architecture & Modeling MCQs for Exam Preparations | DBMS Objective Questions and Answers

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Database Management System objective questions and answers page contain 5 questions from chapter Database Architecture & Modeling. Each mcq has 4 possible answers. Choose your answer and check your answer with the given correct answer.
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(11) The level of data abstraction which describes how the data is actually stored is :
[A] conceptual level
[B] physical level
[C] file level
[D] none of these

Comment

Answer: Option [B]
(12) Collection of information stored in a database at a particular moment is :
[A] view
[B] schema
[C] instance
[D] none of the above

Comment

Answer: Option [C]

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(13) The syntax of a user query is verified by :
[A] query optimizer
[B] DBA
[C] parser
[D] none of the above

Comment

Answer: Option [C]
(14) A data model is :
[A] Used to describe structure of a database
[B] Set of basic operations on the database
[C] Both [A] and [B]
[D] None of the above

Comment

Answer: Option [C]
(15) In a hierarchical database, a hashing function is used to locate the :
[A] Root
[B] Collisions
[C] Primary key
[D] Duplicate records

Comment

Answer: Option [A]

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

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