From bab23854e6ece86b2a763df16d06381be760ab78 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jos=C3=A9=20Antonio=20Chac=C3=B3n=20Guti=C3=A9rrez?= <138903866+joseantoniochacon@users.noreply.github.com> Date: Fri, 7 Jun 2024 14:00:02 -0600 Subject: [PATCH] Time: 4283 ms (5.01%), Space: 0B (100.00%) - LeetHub --- .../0550-game-play-analysis-iv.sql | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 0550-game-play-analysis-iv/0550-game-play-analysis-iv.sql diff --git a/0550-game-play-analysis-iv/0550-game-play-analysis-iv.sql b/0550-game-play-analysis-iv/0550-game-play-analysis-iv.sql new file mode 100644 index 0000000..5a5b1e9 --- /dev/null +++ b/0550-game-play-analysis-iv/0550-game-play-analysis-iv.sql @@ -0,0 +1,10 @@ +# Write your MySQL query statement below +#SELECT * FROM (SELECT player_id, event_date FROM Activity ORDER BY event_date DESC) a GROUP BY player_id; + +#SELECT player_id, event_date FROM Activity ORDER BY event_date DESC + +#SELECT DISTINCT(player_id) FROM Activity; + +#SELECT player_id, FROM Activity GROUP BY player_id; + +SELECT ROUND((COUNT(*)/(SELECT COUNT(DISTINCT(player_id)) FROM Activity)),2) AS fraction FROM (SELECT player_id, MIN(event_date) AS first_log, (SELECT MIN(event_date) FROM Activity WHERE player_id = a1.player_id AND event_date > (SELECT MIN(event_date) FROM Activity WHERE player_id = a1.player_id)) AS second_log FROM Activity a1 GROUP BY player_id) logs WHERE DATEDIFF(second_log, first_log) = 1; \ No newline at end of file