我创建一个过程,找出从表中缺少ID,但它并没有取得任何结果,以下是过程 DELIMITER ||
DROP PROCEDURE IF EXISTS proc_rpt ||
CREATE PROCEDURE proc_rpt()
BEGIN
SET @minID = (SELECT MIN(`id`) FROM `tbl_film` WHERE `user_id`=13);
SET @ma
select
disease_name
from
disease
where
disease_id=
(select disease_id from disease_symptom where
disease.disease_id=disease_symptom.disease_id AND
symptom_id=