解决升班问题

教师凭证问题

SELECT gradeid,classid FROM `kq_sc343_userevalua`;

UPDATE kq_sc343_userevalua set gradeid = '15' WHERE classid in(SELECT Id FROM `kq_sc343_class` WHERE gradeid = '15')

SELECT Id,gradeid FROM `kq_sc343_class` WHERE gradeid = '15'

标签：15,gradeid,问题,kq,解决,升班,WHERE,SELECT,sc343
来源： https://www.cnblogs.com/caoqh/p/11808643.html