DBMS-Introduction to Database Design Questions and Answers

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DBMS – Introduction to Database Design is a foundational topic in computer science and is often featured in programming interview questions with answers and campus placement papers. Understanding how to design efficient databases is essential for roles involving software development and data management. Concepts like ER models, normalization, schema design, and relationships form the core of this section. Practicing DBMS questions with answers will help you excel in company-wise technical rounds of Infosys, Cognizant, and Wipro. Strengthen your fundamentals with these Database Design interview questions and answers to prepare effectively for technical interviews.

DBMS-Introduction to Database Design

Showing 10 of 50 questions

1. What is the primary purpose of a database management system?

  • Data storage and retrieval
  • Network configuration
  • Hardware maintenance
  • Software development
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2. Which of the following is NOT a characteristic of DBMS?

  • Data independence
  • Data security
  • No data redundancy
  • Concurrency control
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3. What is data redundancy in database systems?

  • Unnecessary data duplication
  • Data encryption
  • Data compression
  • Data validation
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4. Which data model represents data as tables?

  • Relational model
  • Hierarchical model
  • Network model
  • Object-oriented model
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5. What is an entity in database design?

  • Real-world object
  • Database table
  • SQL query
  • Programming function
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6. What is the purpose of a primary key?

  • Unique identification
  • Data sorting
  • Memory allocation
  • Network connection
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7. Which normal form eliminates transitive dependencies?

  • Third Normal Form
  • First Normal Form
  • Second Normal Form
  • Boyce-Codd Normal Form
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8. What is data abstraction in DBMS?

  • Hiding implementation details
  • Data encryption
  • Data compression
  • Data backup
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9. Which SQL command is used to create a database?

  • CREATE DATABASE
  • MAKE DATABASE
  • NEW DATABASE
  • BUILD DATABASE
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10. What is a foreign key?

  • References primary key
  • Unique identifier
  • Data validator
  • Index creator
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