There are cases when is needed to have a model that will not be represented by a table in the database. By default, Odoo creates a table for every Model ​ and ​ TransientModel ​, but, there is option ...

In case the total of a numeric column needs to be shown at the bottom of a list view, would be needed to include the attribute sum​ in the field’s XML definition. For example, if amount​ field needs t...