leetcode

Leetcode submissions
git clone git://git.laack.co/leetcode.git
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game-play-analysis.sql (169B)

      1 
      2 --Write query to find the first login for a user
      3 --Runtime: 985ms Beats: 44.95%
      4 SELECT A.player_id, min(A.event_date) first_login
      5 FROM Activity AS A
      6 GROUP BY player_id