我需要 2 列数据。基本上我想每天看到新的注册。对我放轻松,我第一天使用 mysql(或与此相关的任何数据库)
到目前为止我有这个
mysql> select created, count(id) from user group by created;
+---------------------+-----------+
| created | count(id) |
+---------------------+-----------+
| 2009-05-27 00:58:56 | 1 |
| 2009-05-27 01:27:30 | 1 |
| 2009-05-27 02:35:37 | 1 |
| 2009-05-27 02:58:56 | 1 |
| 2009-05-27 03:36:03 | 1 |
| 2009-05-27 03:38:03 | 1 |
| 2009-05-27 03:48:16 | 1 |
| 2009-05-27 03:51:37 | 1 |
我想要的输出是
+---------------------+----------------------+
| created | user |
+---------------------+----------------------+
| 2009-05-27 | 10 |
| 2009-05-28 | 13 |
| 2009-05-29 | 19 |
感谢任何帮助!
谢谢
最佳答案
select DATE(created), count(id) from user group by DATE(created);
关于Mysql统计用户的列数,并按修改日期分组,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/942288/