Constraints in DBMS MCQs Quiz Online PDF Book Download

Constraints in dbms MCQs, constraints in dbms quiz answers to learn online data analytics courses. Database design and er model multiple choice questions (MCQs), constraints in dbms quiz questions and answers for data analytics certification. Extended er features, entity relationship model, specialization, notations for modeling data, entity relationship diagrams, constraints in dbms test prep, career assessment test for data science certification.

Practice database design and er model test MCQs: mapping cardinalities are useful in describing, with choices unary relationships, binary relationships, composite relationships, and simple relationships for data analytics certification. Prepare assessment test for scholarships, online learning constraints in dbms quiz questions for competitive assessment in computer science major for data analytics certification.

MCQ on Constraints in DBMS Quiz Book 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