delete from document;
ALTER TABLE document AUTO_INCREMENT = 1;

delete from application;
ALTER TABLE application AUTO_INCREMENT = 1;

delete from online_payment;
ALTER TABLE online_payment AUTO_INCREMENT = 1;

delete from pay_express;
ALTER TABLE pay_express AUTO_INCREMENT = 1;

delete from training;
ALTER TABLE training AUTO_INCREMENT = 1;

delete from users where id > 2;
ALTER TABLE users AUTO_INCREMENT = 5;
