drop table pet_needs_intervention_in_vet_clinic;
drop table pet_preferably_eats_food;
drop table pet_needs_therapy;
drop table pet_belongs_to_category;
drop table donor_donates_to_organisation;
drop table personal_profile;
drop table vet_clinic;
drop table therapy;
drop table food;
drop table category;
drop table post;
drop table pet;
drop table adoption;
drop table adopter;
drop table employee;
drop table shelter;
drop table organisation;
drop table donor;
drop table admin_table;
drop table surendee;
drop table user_table;
