I am mainly an Oracle guy. So it was tough for me to digest.
Aashish
>>Hi,
>>
>>Primary key accepts empty values. Should Primark Key behave like this ?
>>Am I wrong somewhere ?
>
>If a primary key is accepting an empty value it's normal. It ensures value would be unique but doesn't guarantee it wouldn't be empty. ie: For an integer PK 0 is a perfectly legal value.
>But if a primary key is accepting empty value
s then you've a problem. Keys might not be updating at all.
>Not empty is something you should control as well as not null.
>Cetin