Database Management System MCQs - Chapter 1

Data Modeling: Entity Relationship Model Quiz Questions and Answers PDF - 7

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Data Modeling Entity Relationship Model Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: The derived attributes in entity relationship diagrams are denoted by

dotted triangle
dotted rectangle
dotted oval
dotted square

MCQ 32: In designing of software, the functional requirements are specified with the help of

sequence diagrams
dataflow diagrams
scenarios
all of above

MCQ 33: In the database, the set of all entities related to a particular entity type is classified as

structural entity set
entity set
functional set of entity
logical set of entity

MCQ 34: In entity-relationship, the entity type which has existence dependency constraint is classified as

single entity
foreign entity
weak entity
strong entity

MCQ 35: The set of key attributes that identify weak entities related to some owner entity is classified as

structural key
partial key
string key
foreign key

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