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Database Management System Prep Tests

Database Management System Tests

Relational Database Schemas MCQ with Answers PDF Download

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Database Management System: Relational Database Schemas MCQs PDF Download

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

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

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

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

Practice Tests: Database Management System Exam Prep

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