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
New Topic  
Heff Heff
wrote...
Posts: 1330
Rep: 3 0
6 years ago
Which of the following is not true about null values?
A) A null value can mean that the value is unknown.
B) A null value is ambiguous.
C) A null value can mean that the value is known to be blank.
D) A null value can mean that no value for the field is appropriate.
E) Null values cannot be avoided.
Textbook 
Database Concepts

Database Concepts


Edition: 7th
Authors:
Read 53 times
1 Reply
Replies
Answer verified by a subject expert
bestavinashbestavinash
wrote...
Top Poster
Posts: 675
Rep: 7 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

Heff Author
wrote...

6 years ago
This helped my grade so much Perfect
wrote...

Yesterday
This site is awesome
wrote...

2 hours ago
Thank you, thank you, thank you!
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1219 People Browsing
 125 Signed Up Today
Related Images
  
 2457
  
 601
  
 79
Your Opinion
Who's your favorite biologist?
Votes: 586

Previous poll results: Do you believe in global warming?