[SQL 코테 풀이] HackerRank - New Companies (DIFFICULTY : Medium, SKILL : Intermediate, MySQL)
내용 문제 DIFFICULTY : Medium, SKILL : Intermediate, MySQL Amber's conglomerate corporation just acquired some new companies. Each of the companies follows this hierarchy: Given the table schemas below, write a query to print the company_code, founder name, total number of lead managers, total number of senior managers, total number of managers, and total number of employees. Order your output by as..
2024. 3. 22.