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Database Management System Practice Test 54

# Binary Relational Operation: JOIN and DIVISION MCQ (Multiple Choice Questions) PDF - 54

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## Binary Relational Operation: JOIN & DIVISION Questions and Answers : Quiz 54

MCQ 266:

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

1. outer relations
2. inner joins
3. outer joins
4. inner relations
MCQ 267:

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

1. structural entity set
2. entity set
3. functional set of entity
4. logical set of entity
MCQ 268:

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

1. single entity
2. foreign entity
3. weak entity
4. strong entity
MCQ 269:

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

1. nonprime attribute
2. prime attribute
3. atomic attribute
4. candidate attribute
MCQ 270:

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

1. deployment analysis phase
2. validation analysis phase
3. feasibility analysis phase
4. implementation analysis phase

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