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Author Question: When modeling a many-to-many unary relationship, the primary key of the relation representing the ... (Read 63 times)

student77

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on: Jul 7, 2018
When modeling a many-to-many unary relationship, the primary key of the relation representing the relationship is always singular.
 
  Indicate whether the statement is true or false

Question 2

Structure charts, logic models, and data models are the major deliverables associated with the object-oriented modeling approach.
 
  Indicate whether the statement is true or false


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tuate

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Reply #1 on: Jul 7, 2018
Answer to Question 1

FALSE
Explanation: Unary relationships can have composite primary keys just like any other relations.
CL

Answer to Question 2

FALSE
Explanation: The deliverables from project activities using object-oriented modeling are data-flow and entity-relationship diagrams and repository descriptions.
CL


student77

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Reply 2 on: Jul 7, 2018
Excellent

bigsis44

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Reply 3 on: Yesterday
Wow, this really help

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