text: SET FOREIGN_KEY_CHECKS=0;
  
  TRUNCATE TABLE application_user;
  ALTER TABLE application_user ALTER COLUMN id RESTART WITH 1;
  
  TRUNCATE TABLE subject;
  ALTER TABLE subject ALTER COLUMN id RESTART WITH 1;
  
  TRUNCATE TABLE student;
  
  TRUNCATE TABLE professor;
  
  TRUNCATE TABLE subject_professor;
  
  TRUNCATE TABLE exam_enrolment;
  ALTER TABLE exam_enrolment ALTER COLUMN id RESTART WITH 1;
  
  SET FOREIGN_KEY_CHECKS=1;