问题描述
你可以试试这个吗?
select count(*), DATE_FORMAT(timestamp, "%Y-%m-01")
from title
group by DATE_FORMAT(timestamp, "%Y-%m-01")
请注意,MONTH()
不能区分“ 2013-01-01”和“ 2014-01-01”,如下所示。
MysqL> SELECT MONTH('2013-01-01'), MONTH('2014-01-01');
+---------------------+---------------------+
| MONTH('2013-01-01') | MONTH('2014-01-01') |
+---------------------+---------------------+
| 1 | 1 |
+---------------------+---------------------+
解决方法
我在mysql中有以下查询:
SELECT title,added_on
FROM title
结果看起来像这样:
Somos Tão Jovens 2013-10-10 16:54:10
Moulin Rouge - Amor em Vermelho 2013-10-10 16:55:03
Rocky Horror Picture Show (Legendado) 2013-10-10 16:58:30
The X-Files: I Want to Believe 2013-10-10 22:39:11
我想获取每个月的书名计数,因此结果如下所示:
Count Month
42 2013-10-01
20 3013-09-01
我能想到的最接近的是:
SELECT Count(*),Date(timestamp)
FROM title
GROUP BY Date(timestamp)
但这只是按天分组,而不是按月分组。我如何在这里按月分组?