This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: When modeling a many-to-many unary relationship, the primary key of the relation representing the ... (Read 29 times)

student77

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


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
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

  • Member
  • Posts: 567
Reply 2 on: Jul 7, 2018
YES! Correct, THANKS for helping me on my review

JCABRERA33

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Schematic relationship between a phylogenetic tree and taxonomy. Schematic relationship between a phylogenetic tree and taxonomy.
Went and Briggs demonstrated the relationship between light perception and auxin function. Went and Briggs demonstrated the relationship between light perception and auxin function.
Structure of the ovary and uterine (fallopian) tube. Figure illustrates stages of ovum development a Structure of the ovary and uterine (fallopian) tube. Figure illustrates stages of ovum development a
Dose–response relationship. Dose–response relationship.
Relationship of the electrocardiogram to electrical conduction in the heart. Relationship of the electrocardiogram to electrical conduction in the heart.
Relationship between Income and Happiness in the United States Relationship between Income and Happiness in the United States
Video: Medullary osmotic gradient: countercurrent multiplier, urea recycling & vasa recta countercurrent exchange

For a complete list of videos, visit our video library