{
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            "questionFrontendId": "550",
            "categoryTitle": "Database",
            "boundTopicId": 11038,
            "title": "Game Play Analysis IV",
            "titleSlug": "game-play-analysis-iv",
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            "translatedTitle": "游戏玩法分析 IV",
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            "contributors": [],
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            "topicTags": [
                {
                    "name": "Database",
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                    "translatedName": "数据库",
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            "hints": [],
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            "sampleTestCase": "{\"headers\":{\"Activity\":[\"player_id\",\"device_id\",\"event_date\",\"games_played\"]},\"rows\":{\"Activity\":[[1,2,\"2016-03-01\",5],[1,2,\"2016-03-02\",6],[2,3,\"2017-06-25\",1],[3,1,\"2016-03-02\",0],[3,4,\"2018-07-03\",5]]}}",
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                "Create table If Not Exists Activity (player_id int, device_id int, event_date date, games_played int)",
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                "insert into Activity (player_id, device_id, event_date, games_played) values ('1', '2', '2016-03-02', '6')",
                "insert into Activity (player_id, device_id, event_date, games_played) values ('2', '3', '2017-06-25', '1')",
                "insert into Activity (player_id, device_id, event_date, games_played) values ('3', '1', '2016-03-02', '0')",
                "insert into Activity (player_id, device_id, event_date, games_played) values ('3', '4', '2018-07-03', '5')"
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