作业帮这语句什么意思select * from [Feedbacks] where QId=3 order by case when QId=3 then 1 else 2 end,QId这个语句什么意思select * from [Feedbacks] where QId=3 order by case when QId=3 then 1 else 2 end,QId
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![这语句什么意思select * from [Feedbacks] where QId=3 order by case when QId=3 then 1 else 2 end,QId这个语句什么意思select * from [Feedbacks] where QId=3 order by case when QId=3 then 1 else 2 end,QId](/uploads/image/z/10128664-64-4.jpg?t=%E8%BF%99%E8%AF%AD%E5%8F%A5%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9Dselect+%2A+from+%5BFeedbacks%5D+where+QId%3D3+order+by+case+when+QId%3D3+then+1+else+2+end%2CQId%E8%BF%99%E4%B8%AA%E8%AF%AD%E5%8F%A5%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9Dselect+%2A+from+%5BFeedbacks%5D+where+QId%3D3+order+by+case+when+QId%3D3+then+1+else+2+end%2CQId)
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这语句什么意思select * from [Feedbacks] where QId=3 order by case when QId=3 then 1 else 2 end,QId这个语句什么意思select * from [Feedbacks] where QId=3 order by case when QId=3 then 1 else 2 end,QId
这语句什么意思select * from [Feedbacks] where QId=3 order by case when QId=3 then 1 else 2 end,QId
这个语句什么意思select * from [Feedbacks] where QId=3 order by case when QId=3 then 1 else 2 end,QId
这语句什么意思select * from [Feedbacks] where QId=3 order by case when QId=3 then 1 else 2 end,QId这个语句什么意思select * from [Feedbacks] where QId=3 order by case when QId=3 then 1 else 2 end,QId
从Feedbacks] 表查找条件是QId=3的数据并排序,本人觉得case when QId=3 then 1 else 2 end,QId 没多大意义.因为你都查询出来的数据都是QId=3了