Quote Originally Posted by Zander87 View Post
Well the thing is that the database contain bank operation and i want to see it different ways ( see the database as she is saved, see it as a calendar) all this views have their own QAbstractItemmodel and appear in different windows. If the user insert a new operation i want it to appear in the calendar view as soon as enterred thats why I need information to be updated
You should have a single model as a base and use proxy models built over the single model to "view" the data differently.