Title 4:mysql----------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    |+ -------+------+

Topic Answer:

# Write your MySQL query statement belowselect scores.score, COUNT (Ranking.score) as RANK from  Scores     , (       S Elect DISTINCT score from         Scores       ) Ranking WHERE scores.score <= ranking.score GROUP by Scores.id, Scores.sco Re ORDER by Scores.score DESC;




Title 4:mysql----------Rank Scores

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