find_overbooked_employees.sql

Author: stackcats

database/medium/find_overbooked_employees.sql

@@ -0,0 +1,19 @@
+-- Write your PostgreSQL query statement below
+WITH cte AS (
+    SELECT
+        employee_id
+    FROM meetings
+    GROUP BY employee_id, EXTRACT(WEEK FROM meeting_date)
+    HAVING SUM(duration_hours) > 20)
+SELECT
+    employee_id,
+    employee_name,
+    department,
+    COUNT(1) meeting_heavy_weeks
+FROM cte
+         LEFT JOIN employees USING (employee_id)
+GROUP BY employee_id, employee_name, department
+HAVING COUNT(1) > 1
+ORDER BY meeting_heavy_weeks DESC, employee_name
+
+