테이블 정보 문제 A company's executives are interested in seeing who earns the most money in each of the company's departments. A high earner in a department is an employee who has a salary in the top three unique salaries for that department. Write a solution to find the employees who are high earners in each of the departments. Return the result table in any order. The result format is in the followi..

테이블 정보 문제보호소에서는 몇 시에 입양이 가장 활발하게 일어나는지 알아보려 합니다. 0시부터 23시까지, 각 시간대별로 입양이 몇 건이나 발생했는지 조회하는 SQL문을 작성해주세요. 이때 결과는 시간대 순으로 정렬해야 합니다.  결과 예시  문제 풀이 (MySQL)SET @HOUR = -1;SELECT (@HOUR := @HOUR + 1) AS HOUR, (SELECT COUNT(HOUR(B.DATETIME)) FROM ANIMAL_OUTS B WHERE @HOUR = HOUR(B.DATETIME) ) AS COUNTFROM ANIMAL_OUTS ALIMIT 24; 위에 예시를 보다시피 7시부터 데이터가 존재한다.그러므로 단순히 HOUR(DATET..