/**
Problem Name : Rank Scores
Problem URL : https://leetcode.com/problems/rank-scores/
Description :
Write a SQL query to rank scores. If there is a tie between two scores, both should have the same ranking.
Note that after a tie, the next ranking number should be the next consecutive integer value.
In other words, there should be no "holes" between ranks.
Difficulty : Medium
Language : Oracle SQL
Category : Database
*/
SELECT score, Dense_Rank() over(ORDER BY score DESC) AS Rank
From scores ORDER BY Rank;