DBMS-Introduction to Database Design Questions and Answers
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
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50 questions
41. What is database view?
- Virtual table from query
- Physical storage table
- Backup copy
- Temporary table
42. Which normal form is the highest for most practical purposes?
- Boyce-Codd Normal Form
- Third Normal Form
- Fourth Normal Form
- Fifth Normal Form
43. What is data mining?
- Pattern discovery in data
- Data storage optimization
- Data encryption
- User interface design
45. What is database transaction?
- Logical unit of work
- Database table
- User account
- Backup file
46. Which key uniquely identifies records in a table?
- Primary key
- Foreign key
- Candidate key
- Super key
47. What is concurrency control?
- Manage simultaneous operations
- Data encryption
- Backup creation
- User authentication
49. What is database backup?
- Data protection copy
- Data encryption
- Data compression
- Data transmission
50. Which constraint defines primary key?
- PRIMARY KEY
- FOREIGN KEY
- UNIQUE
- NOT NULL