Constraints in DBMS MCQs Quiz Online PDF Download

Learn constraints in dbms MCQs online, database management system test for e-learning degree online courses, career test prep. Practice database design and er model multiple choice questions (MCQ), constraints in dbms quiz questions and answers, entity relationship diagrams, constraints in dbms tutorials for online database engine courses distance learning.

Study bachelors and masters degree courses, online computer science degree programs MCQ: mapping cardinalities are useful in describing with options unary relationships, binary relationships, composite relationships and simple relationships with distance learning test prep for computer science jobs, computer engineering jobs and IT jobs. Free skills assessment test is for online learning constraints in dbms quiz questions with MCQs, exam preparation questions and answers.

MCQs on Constraints in DBMS Quiz PDF Download

MCQ: Mapping cardinalities are useful in describing

  1. Unary relationships
  2. Binary relationships
  3. Composite relationships
  4. Simple relationships

B

MCQ: Mapping cardinalities can be of type

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

C

MCQ: Appropriate mapping cardinality for a particular relationship set depends on

  1. Model
  2. Schema
  3. Situation
  4. Domain

C

MCQ: Structure of primary key for relationship set depends on the

  1. Entity sets
  2. Roles
  3. Mapping cardinalities
  4. Mapping expression

C

MCQ: An entity set E in a relationship set R is said to be total if every entity in E participates in

  1. At least one relationship in R
  2. All relationships in R
  3. None relationship in R
  4. Few relationship in R

A