Create all-people-report-to-the-given-manager.sql

Author: kamyu104

MySQL/all-people-report-to-the-given-manager.sql

@@ -0,0 +1,11 @@
+# Time:  O(n)
+# Space: O(n)
+
+SELECT e1.employee_id 
+FROM   employees e1 
+       LEFT JOIN employees e2 
+              ON e1.manager_id = e2.employee_id 
+       LEFT JOIN employees e3 
+              ON e2.manager_id = e3.employee_id 
+WHERE  e3.manager_id = 1 
+       AND e1.employee_id != 1