我需要找出顾客的等级。在这里,我为我的需求添加了相应的ANSI标准SQL查询。请帮我把它转换成MySQL。SELECT RANK() OVER (PARTITION BY Gender ORDER BY Age) AS [Partition by Gender], Age,Gender 在MySQL中有没有查到排名的函数?
我想知道是用MySQL还是用服务器语言处理数据更快。我确信像ORDER这样的原生函数在MySQL中会更快,因为索引、缓存等,但实际上是计算排名(包括返回具有相同排名的多个条目的ties ):SELECT TORCH_ID, (SELECT COUNT(distinct(distance))+1 FROM torch_info WHERE distance > thisscore) AS <e
FIND_IN_SET( total_pt,(SELECT GROUP_CONCAT( total_pt ORDER BY total_pt DESC ) FROM performance_score )) AS rank,overall_rank FROM performance_score_bk where dept_id = 105但在我尝试用department_id 111获得排名后,它不是从排名1开始的,它是从8开始的,没有正确的顺序。FIND_IN_SET( total_pt,(