[分享] per / each / every 用法per / each / every 在意義上好像差不多但是在用法上可就不太一樣意義上與有小小的差異一起來複習一下吧！ ... <看更多>

I agree that "for each" or "per" are more fluent terms than "per each" and that "each" is likely redundant to the meaning. ... Regardless of the intended meaning, ... ... <看更多>

The select top 1 with ties clause tells SQL Server that you want to return the first row per group. But how does SQL Server know how to group up the data? This ... ... <看更多>