On Sun, Dec 11, 2005 at 16:31:59 +0100, Frank van Vugt <ftm.van.vugt@xxxxxxx> wrote: > > Ratio: when deferred triggers on table A are used to calculate field values of > table B (which then obviously need an update), one might want to prevent > direct updates on these fields of table B It might also work for you to do this with access rights. The triggers can have different access rights than the user that caused the trigger to fire.