>>Thank you.
>>
>>>As I said, you can use a trigger to perform as fancy checks as you want. Or you can create a calculated column and put Unique constraint on it.
>>>
>
>I agree - either trigger or calculated column. Or even an updatable view - I had this idea discussed several months ago in MSDN forum - it will be a bit tricky to find the thread, though.
Thank you; don't worry about finding the thread. I have decided to "delegate" this check to the BIZ class.
"The creative process is nothing but a series of crises." Isaac Bashevis Singer
"My experience is that as soon as people are old enough to know better, they don't know anything at all." Oscar Wilde
"If a nation values anything more than freedom, it will lose its freedom; and the irony of it is that if it is comfort or money that it values more, it will lose that too." W.Somerset Maugham
