[Leetcode] Replace Emplyee ID With The Unique Identifier

문제 링크

정답

SELECT EmployeeUNI.unique_id, Employees.name
FROM Employees
LEFT JOIN EmployeeUNI
ON Employees.id = EmployeeUNI.id;

✅ Point

• Order Of Execution
  • FROM Employees > LEFT JOIN EployeeUNI ON ~ > SELECT ~