Bachelor Of Computer Science

Database Management System MCQs

CS: Database Management System MCQs - Subtopic

Relational Database Schemas MCQ with Answers

Relational Database Schemas Multiple Choice Questions (MCQ) to practice relational database schemas quiz answers PDF, database management system worksheets for online degrees. Solve 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, database constraints and relational schemas, 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. Solve relational database schemas quiz questions for merit scholarship test and certificate programs for top computer science schools.

MCQs on Relational Database Schemas

1.

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

candidate key
super key
simple key
parallel key

2.

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

application based constraints
semantic constraints
business rules
all of above

3.

In database schema, the database snapshot is also called

current set of entity
current set of instances
current set of entity
current set of objects

4.

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

static constraints
dynamic constraints
implicit constraints
explicit constraints

5.

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

static constraints
dynamic constraints
implicit constraints
explicit constraints