That all sounds like logic for your DAO or business layer. 

SQL maps are more fine-grained that that.

Larry


On 5/23/05, Lieven De Keyzer <[EMAIL PROTECTED]> wrote:
> In fact, it's even complexer than this, because when a certain notification
> is given as parameter and it is not present yet, is should be inserted, when
> it is present, nothing should happen, and when it's not given as parameter,
> it should be deleted.

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