摘要：
delete from ResourceMedia where movieid not in ( select min(movieid) from ResourceMedia group by mediaID, volumeid )在mysql中不能用mysql中不能这么用。 （等待mysql升级吧）错误提示就是说，不能先select出同一表中的某些值，再update这个表(在同一语句中) 替换方案： create table tmp as select min(id) as col1 from blur_article group by title; delete from blur_a.. 阅读全文
