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177. Nth Highest Salary https://leetcode.com/problems/nth-highest-salary/ Nth Highest Salary - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com --CASE로 풀기 CREATE FUNCTION getNthHighestSalary(N INT) RETURNS INT BEGIN RETURN ( # Write your MySQL query statement below. SELECT CASE WHEN..

모든 레코드 조회하기 https://programmers.co.kr/learn/courses/30/lessons/59034 코딩테스트 연습 - 모든 레코드 조회하기 ANIMAL_INS 테이블은 동물 보호소에 들어온 동물의 정보를 담은 테이블입니다. ANIMAL_INS 테이블 구조는 다음과 같으며, ANIMAL_ID, ANIMAL_TYPE, DATETIME, INTAKE_CONDITION, NAME, SEX_UPON_INTAKE는 각각 동물의 아이디 programmers.co.kr 동물 보호소에 들어온 모든 동물의 정보를 ANIMAL_ID순으로 조회하는 SQL문을 작성해주세요. SQL을 실행하면 다음과 같이 출력되어야 합니다. -- 코드를 입력하세요 SELECT * FROM ANIMAL_INS ORDER ..

181. Employees Earning More Than Their Managers https://leetcode.com/problems/employees-earning-more-than-their-managers/ Employees Earning More Than Their Managers - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com The Employee table holds all employees including their managers. Ev..

The Report Problem The Report | HackerRank Write a query to generate a report containing three columns: Name, Grade and Mark. www.hackerrank.com You are given two tables: Students and Grades. Students contains three columns ID, Name and Marks. Ketty gives Eve a task to generate a report containing three columns: Name, Grade and Mark. Ketty doesn't want the NAMES of those students who received a ..

Top Earners Problem Top Earners | HackerRank Find the maximum amount of money earned by any employee, as well as the number of top earners (people who have earned this amount). www.hackerrank.com We define an employee's total earnings to be their monthly salaryXmonths worked, and the maximum total earnings to be the maximum total earnings for any employee in the Employee table. Write a query to ..

Japanese Cities' Attributes Problem Query all attributes of every Japanese city in the CITY table. The COUNTRYCODE for Japan is JPN. The CITY table is described as follows: Japanese Cities' Attributes | HackerRank Query the attributes of all the cities in Japan. www.hackerrank.com Solution SELECT * FROM CITY WHERE countrycode = 'JPN'

Select By ID Problem Select By ID | HackerRank Query the details of the city with ID 1661. www.hackerrank.com - Solution SELECT * FROM City WHERE Id=1661

Select All Problem Select All | HackerRank Query all columns for every row in a table. www.hackerrank.com Query all columns (attributes) for every row in the CITY table. The CITY table is described as follows: SOLUTION SELECT * FROM city