I’m trying to create an Associative Entity (N:N) in SQLite like this:
[ Pet —< VaccinePet >— Vaccine ]
And, I have the follow code of my associative entity:
CREATE TABLE VACINAPET ( vp_date TEXT NOT NULL, vp_is_applied INTEGER DEFAULT 0, fk_pet INTEGER, fk_vaccine INTEGER, FOREIGN KEY (fk_pet) REFERENCES pet (pet_id), FOREIGN KEY (fk_vaccine) REFERENCES vaccine (vaccine_id), PRIMARY KEY (fk_pet, fk_vaccine) );
BUT, I’m getting an error:
foreign key mismatch – “VACCINEPET” referencing “vaccine”: INSERT INTO VACCINEPET (vp_date, vp_is_applied, fk_pet, fk_vaccine) VALUES (’23/05/2018′, 0, 1, 1);
When I try to use the INSERT command:
INSERT INTO VACINAPET (vp_data, vp_is_aplicada, fk_pet, fk_vacina) VALUES (’23/05/2018′, 0, 1, 1);
What could be wrong? I’m not so good in database… 🙁
MASTER DETAIL: I have data in Pet table and Vaccine table, they are not empty
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