NULL and zero

Question

if a function ask for a 0 and give it a null and vice versa , will this cause an error ? and also .. can we set non digital datatypes to NULL ?

Answer 1

Can you please provide link of your attempt (code)? So that we can look into it and help you
https://www.sololearn.com/discuss/1316935/?ref=app
https://www.sololearn.com/discuss/137697/?ref=app
https://www.sololearn.com/discuss/1589935/?ref=app
https://www.sololearn.com/discuss/9530/?ref=app
https://www.sololearn.com/discuss/524028/?ref=app