Relational Database Schemas MCQs & Quiz Online PDF Download

Relational database schemas MCQs, relational database schemas quiz answers pdf to study DBMS online course. 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 merit scholarships assessment test, online learning relational database schemas quiz questions for competitive exams in computer science major for top computer science schools.

MCQs on Relational Database Schemas PDF Download

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