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

Author Question: In many-to-many relationships in a relational database design, ________. A) the key of the child ... (Read 40 times)

crobinson2013

  • Hero Member
  • *****
  • Posts: 535
In many-to-many relationships in a relational database design, ________.
 
  A) the key of the child is placed as a foreign key into the parent
  B) the key of the parent is placed as a foreign key into the child
  C) the keys of both tables are placed in a third table
  D) the keys of both entity tables are placed in each other

Question 2

Discriminators can be ________.
 
  A) attributes
  B) entities
  C) relationships
  D) subtypes



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Bison

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

C

Answer to Question 2

A




crobinson2013

  • Member
  • Posts: 535
Reply 2 on: Jul 7, 2018
Gracias!


kusterl

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

For a complete list of videos, visit our video library