Database Management System Practice Test 54

Binary Relational Operation: JOIN and DIVISION MCQ Questions PDF - 54

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Database Management System: Binary Relational Operation: JOIN & DIVISION MCQ Quiz PDF Download

MCQ: The operations used to combine multiple relations to present information in single table are classified as

A) outer relations

B) inner joins

C) outer joins

D) inner relations

MCQ: In the database, the set of all entities related to a particular entity type is classified as

A) structural entity set

B) entity set

C) functional set of entity

D) logical set of entity

MCQ: In entity-relationship, the entity type which has existence dependency constraint is classified as

A) single entity

B) foreign entity

C) weak entity

D) strong entity

MCQ: If the attribute of relation schema R is not a member of some candidate key then this type of attribute is classified as

A) nonprime attribute

B) prime attribute

C) atomic attribute

D) candidate attribute

MCQ: In phases of macro life cycle or information system life cycle, the phase which consists of study of cost benefit and potential areas of application is called

A) deployment analysis phase

B) validation analysis phase

C) feasibility analysis phase

D) implementation analysis phase

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