task: #1050

Author: Ivanbyone

README.md

@@ -120,6 +120,7 @@ Useful for preparing for technical interviews and improving your SQL skills.
     - [619. Biggest Single Number](./leetcode/easy/619.%20Biggest%20Single%20Number.sql)
     - [620. Not Boring Movies](./leetcode/easy/620.%20Not%20Boring%20Movies.sql)
     - [627. Swap Salary](./leetcode/easy/627.%20Swap%20Salary.sql)
+    - [1050. Actors and Directors Who Cooperated At Least Three Times](./leetcode/easy/1050.%20Actors%20and%20Directors%20Who%20Cooperated%20At%20Least%20Three%20Times.sql)
     - [1068. Product Sales Analysis I](./leetcode/easy/1068.%20Product%20Sales%20Analysis%20I.sql)
     - [1075. Project Employees I](./leetcode/easy/1075.%20Project%20Employees%20I.sql)
     - [1141. User Activity for the Past 30 Days I](./leetcode/easy/1141.%20User%20Activity%20for%20the%20Past%2030%20Days%20I.sql)

leetcode/easy/1050. Actors and Directors Who Cooperated At Least Three Times.sql

@@ -0,0 +1,27 @@
+/*
+Question 1050. Actors and Directors Who Cooperated At Least Three Times
+Link: https://leetcode.com/problems/actors-and-directors-who-cooperated-at-least-three-times/description/?envType=problem-list-v2&envId=database
+
+Table: ActorDirector
+
++-------------+---------+
+| Column Name | Type    |
++-------------+---------+
+| actor_id    | int     |
+| director_id | int     |
+| timestamp   | int     |
++-------------+---------+
+timestamp is the primary key (column with unique values) for this table.
+ 
+
+Write a solution to find all the pairs (actor_id, director_id) where the actor has cooperated with the director at least three times.
+
+Return the result table in any order.
+*/
+
+SELECT 
+    actor_id,
+    director_id
+FROM ActorDirector
+GROUP BY (actor_id, director_id)
+HAVING COUNT(1) >= 3