1 votes 1 votes Can Foreign key value can be null?? Databases sql databases + – tamil93 asked Jan 26, 2016 tamil93 303 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 2 votes 2 votes Yes it may be null or duplicate also. Shashank Chavan answered Jan 26, 2016 selected Jan 27, 2016 by Pooja Palod Shashank Chavan comment Share Follow See all 0 reply Please log in or register to add a comment.