Problem Description –
Write an SQL query that reports the first login date for each player.
The query result format is in the following example:

Difficulty Level – Easy
Solution –
SELECT
player_id,
MIN(event_date) as first_login
FROM Activity
GROUP BY player_id
To get the result, we have to first group the data by each player using and then we have to use the MIN() function which we give us the first login date of each players.
