Leetcode Rank Scores

Source: Internet
Author: User

Write a SQL query to rank scores. If there is a tie between the scores, both should has the same ranking. Note that after a tie, the next ranking number should is the next consecutive integer value. In the other words, there should is no "holes" between ranks.

+----+-------+| Id | Score |+----+-------+| 1  | 3.50  | | 2  | 3.65  | | 3  | 4.00  | | 4  | 3.85  | | 5  | 4.00  | | 6  | 3.65  |+ ----+-------+

For example, given the above Scores table, your query should generate the following report (order by highest score):

+-------+------+| Score | Rank |+-------+------+| 4.00  | 1    | | 4.00 |  1    | | 3.85  | 2    | | 3.65  | 3    | | 3.65  | 3    | | 3.50  | 4    | +-------+------+
Select A.score as Score, COUNT (B.score) from (    select distinct score from     Scores) b, Scores a where B.score >= a . Score GROUP BY A.score, a.id ORDER by a.score Desc;

Leetcode Rank Scores

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