Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
Home Q & A Board Science-Related Homework Help Computer Studies
New Topic  
Guest Guest
wrote...
Go to Answer
5 years ago
Which of the following is not true about subtype entities?

• Subtypes may be exclusive.

• The supertype and subtypes will have the same identifier.

• Subtypes are used to avoid a situation in which some attributes are required to be null.

• All subtypes of a supertype must have the same attributes.
Textbook 
Database Processing: Fundamentals, Design, and Implementation

Database Processing: Fundamentals, Design, and Implementation


Edition: 15th
Authors:
Read 59 times
1 Reply
Replies
Answer verified by a subject expert
WooWoo
wrote...
#1
Posts: 449
Rep: 68 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

GeorgeNeist
wrote...

5 years ago
You make an excellent tutor!
Jodias
wrote...

Yesterday
This helped my grade so much Perfect
prime7105
wrote...

2 hours ago
this is exactly what I needed
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  923 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 4426
  
 858
  
 1161
Your Opinion
Which 'study break' activity do you find most distracting?
Votes: 741
Previous poll results: Who will win the 2024 president election?