数据分析编程:SQL,Python or SPL?
userid | action_type | action_time | U1059 | login | 2023-12-01 18:00:10 | U1092 | login | 2023-12-01 18:00:17 | U1069 | login | 2023-12-01 18:00:22 | … | … | … |
10分钟没有任何动作或退出后5分钟没有登录则认为会话结束,计算各用户的会话次数。
02
team | player | play_time | score | A | A3 | 2023-12-31 09:00:09 | 2 | B | B1 | 2023-12-31 09:00:24 | 3 | A | A5 | 2023-12-31 09:00:57 | 2 | … | … | … | … |
03
id | userid | ts | 1 | 466 | 2017-01-07 18:24:55 | 2 | 458 | 2017-01-07 18:25:18 | 3 | 458 | 2017-01-07 18:26:21 | … | … | … |
04
id | userid | ts | 1 | 466 | 2017-01-07 18:24:55 | 2 | 458 | 2017-01-07 18:25:18 | 3 | 458 | 2017-01-07 18:26:21 | … | … | … |
05
STOCKID | DATE | CLOSING | 62 | 2015-01-05 | 8.91 | 62 | 2015-01-06 | 8.31 | 62 | 2015-01-07 | 7.6 | … | … | … |
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