Database Management System MCQs - Chapter 12

Relational Data Model and Database Constraints Quiz Questions and Answers PDF - 7

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The Quiz: Type of constraint which states that not even a single value with primary key can be a null value is classified as; "Relational Data Model and Database Constraints" App Download iOS & Android (Free) with answers primary integrity constraint, null integrity constraint, secondary integrity constraint and entity integrity constraint for online computer science classes. Study relational model constraints quiz questions, download Amazon eBook (Free Sample) for information and communication technology.

Relational Data Model & Database Constraints Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: The type of constraint which states that not even a single value with primary key can be a null value is classified as

A) null integrity constraint

B) primary integrity constraint

C) secondary integrity constraint

D) entity integrity constraint

MCQ 32: The values which cannot be divided further are classified as

A) formatted values

B) bi-atomic model

C) diatomic values

D) atomic values

MCQ 33: On a relational database, the kind of constraint which must be specified and does not contain large classes of constraints is considered as

A) referential integrity constraint

B) null integrity constraint

C) semantic integrity constraints

D) secondary integrity constraint

MCQ 34: The definition of relation in which values and attributes are ordered in tuple is classified as

A) fourth definition of relation

B) third definition of relation

C) first definition of relation

D) second definition of relation

MCQ 35: The constraint violated when key value in tuple already exists in some other relation's tuple is called

A) domain constraint

B) attribute constraint

C) key constraint

D) lock constraint

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