var sidebar_align = 'right';
var content_container_margin = parseInt('290px');
var sidebar_width = parseInt('270px');
Which of the following rules guarantees that every primary attribute key is non-null?
A) Operational constraints
B) Domain constraint
C) Entity integrity constraint
D) Referential integrity constraint
What is the correct option, I am confused
Thanks a lot in advance
Which do you think is the correct answer?
No its not homework, I am preparing for competitive exam and I came accross this question,
Originally Posted by gvee
According to me its C