Re: How to avoid 2nd trigger

How can i use declarative constraints for relarional edits?
For exam[le date of bitrh should always less than date of hire? 

Lennart wrote:
>> What about using delete/insert instead of update?
>
>I don't follow, are you going to forbid update operations on your
>tables? If that is the case already have the insert trigger, so you
>shouldn't have to do anything more.
>
>I still don't understand why you are implementing this validation via
>triggers instead of declarative constraints.
>
>/Lennart
>
>[...]

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