Database Management System DBMS multiple choice questions and answers on DBMS MCQ questions quiz on DBMS objective type questions with answer for competitive exams and written test preparations for online DBMS quiz

Database Management System - DBMS MCQ Questions and Answers Quiz

1. How many levels of abstraction in DBMS:

  1. 4
  2. 2
  3. 3
  4. 5

2. There are ................ number of Normal forms that has been defined

  1. 4
  2. 5
  3. 6
  4. 3

3. E. F. Codd developed the normalization process in the which early:

  1. 1971
  2. 1969
  3. 1970
  4. 1972

4. Which forms are based on the concept of functional dependency

  1. 3NF
  2. 1NF
  3. 2NF
  4. 4NF

5. Which forms every non-prime attribute is fully dependent functionally on the candidate key of a relational schema:

  1. 3NF
  2. 1NF
  3. 2NF
  4. 5NF

6. Which forms simplifies and ensures that there is minimal data aggregates and repetitive groups:

  1. 3NF
  2. 1NF
  3. 2NF
  4. All of these

7. Which of the following is/are the DDL statements?

  1. Alter
  2. Create
  3. Drop
  4. All of the above

8. Which of the following is NOT a type of SQL constraint?

  1. ALTERNATE KEY
  2. PRIMARY KEY
  3. FOREIGN KEY
  4. UNIQUE

9. Which of the following is not a binary operator in relational algebra?

  1. Assignment
  2. Join
  3. Semi-Join
  4. Project

10. Which of the following is NOT a basic element of all versions of the E-R model?

  1. Attributes
  2. Entities
  3. Relationships
  4. Primary key
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MCQ Multiple Choice Questions and Answers on Database Management System - DBMS

Database Management System - DBMS Question and Answer