{"height":"190","type":"rich","categories":[],"author_url":"https://blog.hatena.ne.jp/s-takaya1027/","url":"https://takayasugiyama.com/entry/2022/04/02/115208","blog_url":"https://takayasugiyama.com/","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakayasugiyama.com%2Fentry%2F2022%2F04%2F02%2F115208\" title=\"LeetCode Game Play Analysis I\u3092\u89e3\u3044\u3066\u307f\u305f - \u4f55\u304b\u3084\u3063\u3066\u307f\u308b\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"s-takaya1027","title":"LeetCode Game Play Analysis I\u3092\u89e3\u3044\u3066\u307f\u305f","published":"2022-04-02 11:52:08","blog_title":"\u4f55\u304b\u3084\u3063\u3066\u307f\u308b\u30d6\u30ed\u30b0","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/s-takaya1027/20220402/20220402114841.png","width":"100%","description":"\u554f\u984c https://leetcode.com/problems/game-play-analysis-i/ \u89e3\u3044\u305f SELECT player_id, MIN(event_date) AS first_login FROM Activity GROUP BY player_id \u6700\u521d\u306fORDER BY\u3068 GROUP BY\u3092\u540c\u6642\u306b\u4f7f\u3063\u3066\u89e3\u3053\u3046\u3068\u3057\u3066\u4e0a\u624b\u304f\u3044\u304b\u305a\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3092\u8aad\u3093\u3067\u305d\u3046\u304bMIN\u95a2\u6570\u3092\u4f7f\u3048\u3070\u826f\u3044\u306e\u304b\u3068\u3044\u3046\u767a\u60f3\u304c\u3046\u304b\u3093\u3060\u3002 t.co \u7d50\u679c","version":"1.0","provider_name":"Hatena Blog"}