mysql 5.0.8表名：ff_vod在这个表下面有2个字段字段一:vod_play 下面是播放器组名称字段二：vod_url 下面的内容是全站的视频播放地址字段一:vod_play下面有多个播放器组，由于数据入库播放器选择错误，导致不同的2个站的视频地址混合到一个播放器组里面去了，我现在想批量删除vod_play字段下其中一个优酷播放器，组名称yuku 下面所有vod_url字段下优酷...

问答 2016-02-14 来自：开发者社区

mysql关联三个表查询 php，如何写sql语句？

有三个表表一、form_element 表二、title 表三、student_title其中表一字段 title_id 表二字段id 表三字段title_id值相同值相同关联两个表这样写的`SELECT T.* FROM form_element E LEFT JOIN title T ON E.title_id=T.id WHERE E.form_id='$form_id' ORD...

问答 2016-02-14 来自：开发者社区

表1（用户的评论）：comment_id,user_id,comment 表2（用户）：user_id,user_name 表3（对某评论的投票）：comment_id,user_id,vote 我主要是想查询出这样的数据（表1.comment，表2.user_name，SUM(表3.vote)）我的sql语句是这样的 SELECT 表1.comment_id,表1.user_id,comme....

问答 2016-02-14 来自：开发者社区

mysql从两个无关联的表里同时搜索, 还要保证相似的在前面，如何写sql语句

需求是，两个没有关系的表，但是要搜索的字段名一样，搜索，然后相似度高的排在前面，还要区分是类型1还是类型？

问答 2016-02-14 来自：开发者社区

mysql 查询本周生日的会员，如何写sql语句？

mysql 查询本周生日的会员，如何写sql语句？求大神帮助一下啦。

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