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Database Management System Practice Tests

Database Management System Online Tests

Relational Database Schemas Multiple Choice Questions (MCQ) PDF Download

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The MCQ In a relation schema, each key of schema having more than one key is classified as: candidate key, super key, simple key and parallel key with "Relational Database Schemas" App Download (Free) for software engineering online courses. Practice relational database schemas quiz questions, download Amazon eBook (Free Sample) for top computer science schools.

Relational Database Schemas MCQ Quiz PDF Download: Database Management System MCQs

MCQ 1: In a relation schema, each key of schema having more than one key is classified as

A) candidate key
B) super key
C) simple key
D) parallel key

MCQ 2: In the data model schemas, the constraints that are can not be expressed directly are classified as

A) application based constraints
B) semantic constraints
C) business rules
D) all of above

MCQ 3: In database schema, the database snapshot is also called

A) current set of entity
B) current set of instances
C) current set of entity
D) current set of objects

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

A) static constraints
B) dynamic constraints
C) implicit constraints
D) explicit constraints

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

A) static constraints
B) dynamic constraints
C) implicit constraints
D) explicit constraints

Database Management System Practice Tests

Relational Database Schemas Learning App & Free Study Apps

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Database Management System App (Android & iOS)

ALL-in-ONE Learning App (Android & iOS)

Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

DBMS App (Android & iOS)

DBMS App (Android & iOS)

Computer Networks App (Android & iOS)

Computer Networks App (Android & iOS)