× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
k
1
Home Q & A Board Other Fields Homework Help Business Management
New Topic  
plily1 plily1
wrote...
Go to Answer
Posts: 637
Rep: 0 0
6 years ago
When selecting a foreign key placement for a 1:1 relationship, place the PK of the entity on the mandatory side in the entity on the optional side as a FK, and make the FK mandatory when _____.
 a. one side is mandatory and the other side is optional
  b. one side participates in another relationship
  c. both sides are optional
  d. both sides are mandatory
Read 27 times
1 Reply
Replies
Answer verified by a subject expert
rcollins105rcollins105
wrote...
#1
Top Poster
Posts: 914
Rep: 6 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

plily1 Author
wrote...

6 years ago
Thank you, thank you, thank you!
paulinaibarra98
wrote...

Yesterday
Thanks
dri
wrote...

2 hours ago
Good timing, thanks!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  843 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 1099
  
 300
  
 309
Your Opinion
Which is the best fuel for late night cramming?
Votes: 145
Previous poll results: Which of the following is the best resource to supplement your studies: