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Database Management System Prep Tests

Database Management System Tests

Database Constraints and Relational Schemas MCQ with Answers PDF Download

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The MCQ "When the primary key is null of the new tuple then the constraint violated is" PDF, Database Constraints and Relational Schemas App Download (Free) with null integrity constraint, primary integrity constraint, secondary integrity constraint, and entity integrity constraint choices for BSc computer science. Practice database constraints and relational schemas quiz questions, download Amazon eBook (Free Sample) for software engineering online courses.

Database Management System: Database Constraints and Relational Schemas MCQs PDF Download

MCQ: When the primary key is null of the new tuple then the constraint violated is

A) null integrity constraint
B) primary integrity constraint
C) secondary integrity constraint
D) entity integrity constraint

MCQ: The key which specifies that two different tuples cannot have the same value is classified as

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

MCQ: The constraint violated when the given value of attribute is not included in the corresponding domain is

A) domain constraint
B) attribute constraint
C) key constraint
D) lock constraint

MCQ: If two or more constraints are violated by using insert operation then by default the

A) insert is accepted
B) insert is rejected
C) insertion permanently blocked
D) none of above

MCQ: The multi-valued dependencies and functional dependencies are classified as category of

A) relation dependencies
B) data dependencies
C) entity dependencies
D) attribute dependencies

Practice Tests: Database Management System Exam Prep

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