Y primary key use null value | Sololearn: Learn to code for FREE!
New course! Every coder should learn Generative AI!
Try a free lesson
0

Y primary key use null value

I want to detials explain

keyprimary
9th Sep 2018, 6:11 PM
M.Kishore
M.Kishore - avatar
2 Answers
+ 1
In relational databases, the primary key column *does not* accept null values.
9th Sep 2018, 7:56 PM
Ravi Chandra Enaganti
Ravi Chandra Enaganti - avatar
0
K thanks
18th Nov 2018, 6:53 AM
M.Kishore
M.Kishore - avatar

Often have questions like this?

Learn more efficiently, for free:

See all courses
Hot today
Strange narrowing conversion error from FLTK Color to Color Struct, Stroustrup's header Graph.h
0 Votes
Can anyone help me with this?
0 Votes
Python Question
3 Votes
How to learn fast C?
0 Votes
Hi everyone! I want change div with name "cd" to text(how to add url here)when I click button. No my code not worked. help me.
1 Votes
Initials of name
1 Votes
While loop with input dont work
1 Votes
How to synchronize android studio
0 Votes
Why are the outputs appeared different?
1 Votes
Coder or Programmers
2 Votes