现有某个商城部分订单数据，用户访问数据，如下所示： 订单信息表：order_tb（订单id：order_id，用户id：user_id，订单金额：order_price，订单创建时间：order_time） order_id user_id order_price order_time 101 11 380 2022-09-01 09:00:00 102 12 200 2022-09-01 10:00:00 103 13 260 2022-09-01 12:00:00 104 11 100 2022-09-02 11:00:00 105 12 150 2022-09-02 12:00:00 106 12 1200 2022-09-02 13:00:00 107 11 60 2022-09-03 09:00:00 108 13 380 2022-09-03 09:30:00 访问信息表：visit_tb（访问信息id：info_id，用户id：user_id，访问时间：visit_time，离开时间：leave_time） info_id user_id visit_time leave_time 911 10 2022-09-01 08:00:00 2022-09-01 09:02:00 912 11 2022-09-01 08:30:00 2022-09-01 09:10:00 913 12 2022-09-01 09:50:00 2022-09-01 10:12:00 914 13 2022-09-01 11:40:00 2022-09-01 12:22:00 921 11 2022-09-02 10:30:00 2022-09-02 11:05:00 922 11 2022-09-02 12:00:00 2022-09-02 12:02:00 923 12 2022-09-02 11:40:00 2022-09-02 13:15:00 924 13 2022-09-02 09:00:00 2022-09-02 09:02:00 925 14 2022-09-02 10:00:00 2022-09-02 10:40:00 931 10 2022-09-03 09:00:00 2022-09-03 09:22:00 932 11 2022-09-03 08:30:00 2022-09-03 09:10:00 933 13 2022-09-03 09:00:00 2022-09-03 09:32:00 请统计该商城每天用户从访问到下订单的转化率。 要求输出：日期，转化率（该日下订单人数访问人数，以百分数形式输出并四舍五入保留1位小数） 注：输出结果按照日期升序排序； 示例数据结果如下： date cr 2022-09-01 75.0% 2022-09-02 50.0% 2022-09-03 66.7% 结果解释： 以2022-09-01为例，该日共计有user_id为10、11、12、13共计4名用户访问商城， 其中11、12、13共计3名用户下了订单，故转化率为34=75.0%； 其他结果同理。
示例1
输入
drop table if exists `order_tb` ;
CREATE TABLE `order_tb` (
`order_id` int(11) NOT NULL,
`user_id` int(11) NOT NULL,
`order_price` int(11) NOT NULL,
`order_time` datetime NOT NULL,
PRIMARY KEY (`order_id`));
INSERT INTO order_tb VALUES(101,11,380,'2022-09-01 09:00:00');
INSERT INTO order_tb VALUES(102,12,200,'2022-09-01 10:00:00');
INSERT INTO order_tb VALUES(103,13,260,'2022-09-01 12:00:00');
INSERT INTO order_tb VALUES(104,11,100,'2022-09-02 11:00:00');
INSERT INTO order_tb VALUES(105,12,150,'2022-09-02 12:00:00');
INSERT INTO order_tb VALUES(106,12,1200,'2022-09-02 13:00:00');
INSERT INTO order_tb VALUES(107,11,60,'2022-09-03 09:00:00');
INSERT INTO order_tb VALUES(108,13,380,'2022-09-03 09:30:00');
drop table if exists `visit_tb` ;
CREATE TABLE `visit_tb` (
`info_id` int(11) NOT NULL,
`user_id` int(11) NOT NULL,
`visit_time` datetime NOT NULL,
`leave_time` datetime NOT NULL,
PRIMARY KEY (`info_id`));
INSERT INTO visit_tb VALUES(0911,10,'2022-09-01 08:00:00','2022-09-01 09:02:00');
INSERT INTO visit_tb VALUES(0912,11,'2022-09-01 08:30:00','2022-09-01 09:10:00');
INSERT INTO visit_tb VALUES(0913,12,'2022-09-01 09:50:00','2022-09-01 10:12:00');
INSERT INTO visit_tb VALUES(0914,13,'2022-09-01 11:40:00','2022-09-01 12:22:00');
INSERT INTO visit_tb VALUES(0921,11,'2022-09-02 10:30:00','2022-09-02 11:05:00');
INSERT INTO visit_tb VALUES(0922,11,'2022-09-02 12:00:00','2022-09-02 12:02:00');
INSERT INTO visit_tb VALUES(0923,12,'2022-09-02 11:40:00','2022-09-02 13:15:00');
INSERT INTO visit_tb VALUES(0924,13,'2022-09-02 09:00:00','2022-09-02 09:02:00');
INSERT INTO visit_tb VALUES(0925,14,'2022-09-02 10:00:00','2022-09-02 10:40:00');
INSERT INTO visit_tb VALUES(0931,10,'2022-09-03 09:00:00','2022-09-03 09:22:00');
INSERT INTO visit_tb VALUES(0932,11,'2022-09-03 08:30:00','2022-09-03 09:10:00');
INSERT INTO visit_tb VALUES(0933,13,'2022-09-03 09:00:00','2022-09-03 09:32:00');
输出
date|cr
2022-09-01|75.0%
2022-09-02|50.0%
2022-09-03|66.7%
加载中...