02 2012 档案

Left Join

摘要：select g.description,p.`date`,starttime,endtime,r.`date` from playlist p left join sendrecord r on p.`date`=r.`date`and p. playergpid=r.playergpid,playergp g where p.playergpid=g.playergpid and mediaId=119 阅读全文

posted @ 2012-02-24 10:42 chenyizh 阅读(154) 评论(0) 推荐(0) 编辑

02 2012 档案

公告