Top Posters
Since Sunday
d
4
N
3
3
R
3
k
3
o
3
Z
3
j
3
s
3
d
3
J
3
1
3
Home Q & A Board Science-Related Homework Help Computer Studies
New Topic  
jonnyjon jonnyjon
wrote...
Go to Answer
Posts: 450
Rep: 16 0
5 years ago
Which of the following is not true about representing subtypes in a relational database design?

• One table is created for the supertype and one for each subtype.

• All attributes of the supertype are added to the subtype relations.

• The key of the supertype is made the key of the subtypes.

• An instance of the supertype may be related to one instance each of several subtypes.
Textbook 
Database Processing: Fundamentals, Design, and Implementation

Database Processing: Fundamentals, Design, and Implementation


Edition: 15th
Authors:
Read 160 times
1 Reply
Replies
Answer verified by a subject expert
zachcarytcriszachcarytcris
wrote...
#1
Posts: 364
Rep: 47 0
5 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here

Related Topics

jonnyjon Author
wrote...

5 years ago
Helped a lot
halyna
wrote...

Yesterday
Good timing, thanks!
cartoon
wrote...

2 hours ago
Brilliant ツ
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1532 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 282
  
 1717
  
 900
Your Opinion
Which country would you like to visit for its food?
Votes: 262
Previous poll results: Who will win the 2024 president election?