Questions tagged as 'chave-estrangeira'

I'm trying to use relationships to display data on the screen but I get the following error:    Trying to get property 'name' of non-object In this command $recebimento->planoconta()->get()->first()->nome MODEL ACCOUNT...

When trying to insert a new data into a given table (official), I have a column named "managerID" which is FK of the "official" table itself. During the registration I send the ID of another employee in this column, only it is returning that...

I'm stuck with a foreign key usage problem. I can not find the logic for a system: The problem: the user gives a note to each question, each one being a table field, and in the end the average is calculated and inserted into the database. How...

I need to query the table and return the Date in the first column, Name (FK) in the second column, and other FK-dependent data in their respective columns . I've tried the various forms of INNER JOIN and I can not show the patient's name,...

Error updating, the value of the field must be the FK code for the foreign key, in the INPUT of the form the value br.com.tkcsapcd.model.bean.ProjectInicio@7adacc20, value="$ { "Should something be modified?                                   ...

I can not do the Data relation with Professor, I have to save Professor and pass his id to Foreign key Data and save, when I execute the code the id is not passed forms.py class ProfessorForm(forms.ModelForm): def __init__(self, *args...