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Constraints in DBMS MCQ (Multiple Choice Questions) PDF Download

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The MCQ: Mapping cardinalities are useful in describing "Constraints in DBMS" App Download [Free] with answers: unary relationships, binary relationships, composite relationships, and simple relationships for computer science bachelor degree online. Practice Constraints in DBMS Quiz Questions, download Apple e-Book (Free Sample) for computer information science.

Constraints in DBMS Questions and Answers PDF Download

MCQ: 1

Mapping cardinalities are useful in describing

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

The mapping cardinalities can be of type

  1. 2 types
  2. 3 types
  3. 4 types
  4. 5 types
MCQ: 3

The appropriate mapping cardinality for a particular relationship set depends on

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

The structure of the primary key for the relationship set depends on the

  1. Entity sets
  2. Roles
  3. Mapping cardinalities
  4. Mapping expression
MCQ: 5

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

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Constraints in DBMS Apps (Android & iOS)

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