Database Management System MCQs – Practice Test for Exam Prep

Relational Database Schemas Multiple Choice Questions with Answers – PDF Download

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The MCQ: In a relation schema, each key of schema having more than one key is classified as; "Relational Database Schemas MCQs" App Download [Free] with answers: candidate key, super key, simple key, and parallel key to learn online educational courses. Practice Relational Database Schemas Quiz Questions, download Apple Book (Free Chapter) for online computer science and engineering.

Relational Database Schemas MCQs PDF Download – Prep Test

MCQ 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

MCQ 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

MCQ 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

MCQ 4: In relational database schemas, the transition constraints are also known as:

static constraints
dynamic constraints
implicit constraints
explicit constraints

MCQ 5: In relational database schemas, the state constraints are also known as:

static constraints
dynamic constraints
implicit constraints
explicit constraints

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