ranking-functions

英文: Can SQL dense rank work for count of (non distinct) value changes with respect to time 问题 使用SQL，...

英文: rank() based on certain column condition in SQL 问题 我要根据每天的出勤报告来为学生排名。排名应该分别为每个学生开始。以下是预期的输出： stu...

英文: q kdb rank function with duplicated ranks 问题 I can provide a translation of the code-related con...

英文: Is it right to use DISTINCT and RANK() function together for distinct values in a select stateme...