Database Management System (DBMS) MCQs with answers Page - 62

Here, you will find a collection of MCQ questions on Database Management System (DBMS). Go through these questions to enhance your preparation for upcoming examinations and interviews.

To check the correct answer, simply click the View Answer button provided for each question.

Have your own questions to contribute? Click the button below to share your MCQs with others!

+ Add Question

A

Admin • 833.24K Points
Coach

Q. In domain relaional calculus “there exist”

  • (A) (p1(x))
  • (B) (p1(x)) Э x
  • (C) v x (p1(x))
  • (D) Э x (p1(x))

A

Admin • 833.24K Points
Coach

Q. A set of possible data values is called

  • (A) attribute
  • (B) degree
  • (C) tuple
  • (D) domain

A

Admin • 833.24K Points
Coach

Q. An is a set of entities of the same type that share the same properties, or attributes.

  • (A) entity set
  • (B) attribute set
  • (C) relation set
  • (D) entity model

A

Admin • 833.24K Points
Coach

Q. Entity is a

  • (A) object of relation
  • (B) present working model
  • (C) thing in real world
  • (D) model of relation

A

Admin • 833.24K Points
Coach

Q. The attribute AGE is calculated from DATE_OF_BIRTH. The attribute AGE is

  • (A) single valued
  • (B) multi valued
  • (C) composite
  • (D) derived

A

Admin • 833.24K Points
Coach

Q. Not applicable condition can be represented in relation entry as

  • (A) na
  • (B) 0
  • (C) null
  • (D) blank space

A

Admin • 833.24K Points
Coach

Q. Which of the following can be a multivalued attribute?

  • (A) phone_number
  • (B) name
  • (C) date_of_birth
  • (D) all of the mentioned

A

Admin • 833.24K Points
Coach

Q. Which of the following is a single valued attribute

  • (A) register_number
  • (B) address
  • (C) subject_taken
  • (D) reference

A

Admin • 833.24K Points
Coach

Q. In a relation between the entities the type and condition of the relation should be specified. That is called as attribute.

  • (A) desciptive
  • (B) derived
  • (C) recursive
  • (D) relative

A

Admin • 833.24K Points
Coach

Q. express the number of entities to which another entity can be associated via a relationship set.

  • (A) mapping cardinality
  • (B) relational cardinality
  • (C) participation constraints
  • (D) none of the mentioned

Add MCQ in this Category

If you want to share an MCQ question in this category, it's a great idea! It will be helpful for many other students using this website.

Share Your MCQ

Browse Categories

Click on category to learn MCQs of that category.