選擇排行榜使用MySQL

Question

好吧，我有一個具有以下字段的表：

correct_id，player_id，獎勵

我想在下降的誰擁有了最正確的答案，有多少爲了創建一個列表他們得到的問題是正確的，他們獲得的總獎勵是多少。我該怎麼做？

SELECT player_id, sum(correct_id), sum(reward) FROM questions_correct GROUP BY count(correct_id) 

Answer 1

試試這個：

SELECT player_id, COUNT(correct_id) CorrectAnsCnt, SUM(correct_id), SUM(reward) 
FROM questions_correct 
GROUP BY player_id 
ORDER BY CorrectAnsCnt DESC