柚子快报邀请码778899分享:mysql查询之分数排名

http://yzkb.51969.com/

编写一个 SQL 查询来实现分数排名。如果两个分数相同,则两个分数排名(Rank)相同

+----+-------+

| Id | Score |

+----+-------+

| 1 | 3.50 |

| 2 | 3.65 |

| 3 | 4.00 |

| 4 | 3.85 |

| 5 | 4.00 |

| 6 | 3.65 |

+----+-------+

例如,根据上述给定的 Scores 表,你的查询应该返回(按分数从高到低排列):

+-------+------+

| Score | Rank |

+-------+------+

| 4.00 | 1 |

| 4.00 | 1 |

| 3.85 | 2 |

| 3.65 | 3 |

| 3.65 | 3 |

| 3.50 | 4 |

+-------+------+

select s1.Score,(select count(distinct score) from scores where score >=s1.score) as Rank from Scores s1 order by Score desc

 

柚子快报邀请码778899分享:mysql查询之分数排名

http://yzkb.51969.com/

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