by --CELKO-- <jcelko212@[EMAIL PROTECTED]
>
May 11, 2008 at 06:09 AM
>> is it possible to define a CHECK CONSTRAINT on a table, whereas the
CHECK-OPTION will be a SELECT. <<
A check constraint must have search condition.
>> With this CHECK CONSTRAINT i try to ensure, that there will always a
state only set once within several rows. <<
That sounds like a UNIQUE constraint. Post better specifications and
we can help you.