mysql hackerrank2 [MYSQL] Placements ▶ SQL > Advanced Join > Placements Problem You are given three tables: Students, Friends and Packages. Students contains two columns: ID and Name. Friends contains two columns: ID and Friend_ID (ID of the ONLY best friend). Packages contains two columns: ID and Salary (offered salary in $ thousands per month). Write a query to output the names of those students whose best friends got offered a h.. 2022. 10. 5. [MYSQL] New Companies ▶ SQL > Advanced Select > New Companies Problem 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 ascending company_code. Company_code founder의 이름 lead manager의 수 senior manager의 수 manager의 수 employee의 수 를 company_code로 .. 2022. 9. 30. 이전 1 다음 728x90
