沉默用户数样例
定义:沉默用户,只在注册安装当天启动过,且启动时间是七(根据业务来定天数)天前;
建表: drop table if exists silent_count; create external table silent_count( dt string comment '统计日期', silent_count bigint comment '沉默设备数' )comment '沉默用户数' row format delimited fields terminal by '\t' location '/data/hive/app/silent_count'; 导入数据: insert into silent_count select '2021-05-22', count(*) from uv_topic where login_date_first=login_date_last and login_date_last<=date_add('2021-05-22',-7);
注:uv_topic表是用户访问记录