用户行为日志表tb_user_log
id | uid | artical_id | in_time | out_time | sign_cin |
1 | 109 | 9001 | 2021-08-31 10:00:00 | 2021-08-31 10:00:09 | 0 |
2 | 109 | 9002 | 2021-11-04 11:00:55 | 2021-11-04 11:00:59 | 0 |
3 | 108 | 9001 | 2021-09-01 10:00:01 | 2021-09-01 10:01:50 | 0 |
4 | 108 | 9001 | 2021-11-03 10:00:01 | 2021-11-03 10:01:50 | 0 |
5 | 104 | 9001 | 2021-11-02 10:00:28 | 2021-11-02 10:00:50 | 0 |
6 | 104 | 9003 | 2021-09-03 11:00:45 | 2021-09-03 11:00:55 | 0 |
7 | 105 | 9003 | 2021-11-03 11:00:53 | 2021-11-03 11:00:59 | 0 |
8 | 102 | 9001 | 2021-10-30 10:00:00 | 2021-10-30 10:00:09 | 0 |
9 | 103 | 9001 | 2021-10-21 10:00:00 | 2021-10-21 10:00:09 | 0 |
10 | 101 | 0 | 2021-10-01 10:00:00 | 2021-10-01 10:00:42 | 1 |
- 用户等级标准简化为:忠实用户(近7天活跃过且非新晋用户)、新晋用户(近7天新增)、沉睡用户(近7天未活跃但更早前活跃过)、流失用户(近30天未活跃但更早前活跃过)。
- 假设今天就是数据中所有日期的最大值。
- 近7天表示包含当天T的近7天,即闭区间[T-6, T]。
user_grade | ratio |
忠实用户 | 0.43 |
新晋用户 | 0.29 |
沉睡用户 | 0.14 |
流失用户 | 0.14 |
输入
DROP TABLE IF EXISTS tb_user_log; CREATE TABLE tb_user_log ( id INT PRIMARY KEY AUTO_INCREMENT COMMENT '自增ID', uid INT NOT NULL COMMENT '用户ID', artical_id INT NOT NULL COMMENT '视频ID', in_time datetime COMMENT '进入时间', out_time datetime COMMENT '离开时间', sign_in TINYINT DEFAULT 0 COMMENT '是否签到' ) CHARACTER SET utf8 COLLATE utf8_bin; INSERT INTO tb_user_log(uid, artical_id, in_time, out_time, sign_in) VALUES (109, 9001, '2021-08-31 10:00:00', '2021-08-31 10:00:09', 0), (109, 9002, '2021-11-04 11:00:55', '2021-11-04 11:00:59', 0), (108, 9001, '2021-09-01 10:00:01', '2021-09-01 10:01:50', 0), (108, 9001, '2021-11-03 10:00:01', '2021-11-03 10:01:50', 0), (104, 9001, '2021-11-02 10:00:28', '2021-11-02 10:00:50', 0), (104, 9003, '2021-09-03 11:00:45', '2021-09-03 11:00:55', 0), (105, 9003, '2021-11-03 11:00:53', '2021-11-03 11:00:59', 0), (102, 9001, '2021-10-30 10:00:00', '2021-10-30 10:00:09', 0), (103, 9001, '2021-10-21 10:00:00', '2021-10-21 10:00:09', 0), (101, 0, '2021-10-01 10:00:00', '2021-10-01 10:00:42', 1);
输出
忠实用户|0.43 新晋用户|0.29 沉睡用户|0.14 流失用户|0.14