摘要: delimiter $$create PROCEDURE clear()BEGIN DECLARE l_name VARCHAR(10); DECLARE l_sql VARCHAR(800); set l_name = 'name'; select concat('delete from stud 阅读全文
posted @ 2020-12-19 16:53 永不熄灭的火 阅读(599) 评论(0) 推荐(0) 编辑