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Relational Database Schemas MCQs Quiz Online PDF Download eBook

Solve Relational Database Schemas Multiple Choice Questions (MCQ), relational database schemas quiz answers PDF worksheet, DBMS practice test for online courses. Learn relational data model and database constraints Multiple Choice Questions and Answers (MCQs), "Relational Database Schemas" quiz questions and answers for software engineering online courses. Learn relational database schemas, relational model constraints, relational model concepts test prep for online computer science and engineering.

"In a relation schema, each key of schema having more than one key is classified as" Multiple Choice Questions (MCQ) on relational database schemas with choices candidate key, super key, simple key, and parallel key for software engineering online courses. Practice relational database schemas quiz questions for merit scholarship test and certificate programs for top computer science schools.

MCQs on Relational Database Schemas PDF Download eBook

MCQ: In a relation schema, each key of schema having more than one key is classified as

  1. candidate key
  2. super key
  3. simple key
  4. parallel key

A

MCQ: In the data model schemas, the constraints that are can not be expressed directly are classified as

  1. application based constraints
  2. semantic constraints
  3. business rules
  4. all of above

D

MCQ: In database schema, the database snapshot is also called

  1. current set of entity
  2. current set of instances
  3. current set of entity
  4. current set of objects

B

MCQ: In relational database schemas, the transition constraints are also known as

  1. static constraints
  2. dynamic constraints
  3. implicit constraints
  4. explicit constraints

B

MCQ: In relational database schemas, the state constraints are also known as

  1. static constraints
  2. dynamic constraints
  3. implicit constraints
  4. explicit constraints

A