This topic contains a solution. Click here to go to the answer

Author Question: When modeling a many-to-many unary relationship, the primary key of the relation representing the ... (Read 65 times)

student77

  • Hero Member
  • *****
  • Posts: 567
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tuate

  • Sr. Member
  • ****
  • Posts: 332
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

  • Member
  • Posts: 567
Reply 2 on: Jul 7, 2018
Gracias!


tandmlomax84

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

For a complete list of videos, visit our video library