refactor 1303

Author: fishercoder1534

Diff for: database/_1303.sql

@@ -1,48 +1,3 @@
---1303. Find the Team Size
---
---Table: Employee
---
---+---------------+---------+
---| Column Name   | Type    |
---+---------------+---------+
---| employee_id   | int     |
---| team_id       | int     |
---+---------------+---------+
---employee_id is the primary key for this table.
---Each row of this table contains the ID of each employee and their respective team.
---Write an SQL query to find the team size of each of the employees.
---
---Return result table in any order.
---
---The query result format is in the following example:
---
---Employee Table:
---+-------------+------------+
---| employee_id | team_id    |
---+-------------+------------+
---|     1       |     8      |
---|     2       |     8      |
---|     3       |     8      |
---|     4       |     7      |
---|     5       |     9      |
---|     6       |     9      |
---+-------------+------------+
---Result table:
---+-------------+------------+
---| employee_id | team_size  |
---+-------------+------------+
---|     1       |     3      |
---|     2       |     3      |
---|     3       |     3      |
---|     4       |     1      |
---|     5       |     2      |
---|     6       |     2      |
---+-------------+------------+
---Employees with Id 1,2,3 are part of a team with team_id = 8.
---Employees with Id 4 is part of a team with team_id = 7.
---Employees with Id 5,6 are part of a team with team_id = 9.
-
---# Write your MySQL query statement below
 select employee_id, team_size from Employee e
 left join
 (