摘要:
drop event if exists upload_deadline; DELIMITER $$ create event upload_deadline on schedule every 1 day starts timestamp '2017-03-30 02:00:00' #on sch 阅读全文
摘要:
一下内容为COPY,保存在此,日后再仔细看 例如: id name value 1 a pp 2 a pp 3 b iii 4 b pp 5 b pp 6 c pp 7 c pp 8 c iii id是主键 要求得到这样的结果 id name value 1 a pp 3 b iii 4 b pp 阅读全文