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Constraints in DBMS MCQs Quiz Online PDF Download eBook

Solve Constraints in DBMS Multiple Choice Questions (MCQ), constraints in dbms quiz answers PDF database practice test for online degree programs. Learn database design and er model Multiple Choice Questions and Answers (MCQs), "Constraints in DBMS Quiz" questions and answers for online computer science schools. Learn entity relationship model, specialization, notations for modeling data, entity relationship diagrams test prep for online computer science engineering.

"Mapping cardinalities are useful in describing" Multiple Choice Questions (MCQ) on constraints in dbms with choices unary relationships, binary relationships, composite relationships, and simple relationships for online computer science schools. Practice constraints in dbms quiz questions for merit scholarship test and certificate programs for online college courses.

MCQs on Constraints in DBMS PDF Download eBook

MCQ: Mapping cardinalities are useful in describing

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

B

MCQ: The mapping cardinalities can be of type

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

C

MCQ: The appropriate mapping cardinality for a particular relationship set depends on

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

C

MCQ: The structure of the primary key for the 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