And for my second question have you got an idee?

'cos i can't do this :

SET @strReq = 'SELECT  DLZ_EMAIL.EMAIL_LIB, @nb-2 = COUNT(*)

     FROM DLZ_EMAIL  WHERE DLZ_EMAIL.DATE_DEB <= GETDATE()'

@nb-2 is an OUTPUT parameter and i need to have the column EMAIL_LIB in my request.

Thx again