mysql日期转换字符串
1、使用：DATE_FORMAT 将日期转换字符串，或者字符串转换日期
（1）将时间转换成字符串
将系统时间转换成字符串
MySQL> select date_format(now(), '%y%m%d %h:%i:%s');
+---------------------------------------+
| date_format(now(), '%y%m%d %h:%i:%s') |
+---------------------------------------+
| 160510 06:10:30 |
+---------------------------------------+
partition_key字段信息为：160101
mysql> select date_format(partition_key,'%y-%m-%d') from t_order ;
+---------------------------------------+
| date_format(partition_key,'%y-%m-%d') |
+---------------------------------------+
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
+---------------------------------------+
14 rows in set (1.67 sec)
新闻标题：mysql日期转换字符串
链接分享：http://pwwzsj.com/article/gipded.html
（1）将时间转换成字符串
将系统时间转换成字符串
MySQL> select date_format(now(), '%y%m%d %h:%i:%s');
+---------------------------------------+
| date_format(now(), '%y%m%d %h:%i:%s') |
+---------------------------------------+
| 160510 06:10:30 |
+---------------------------------------+
扩展： %Y：年 %c：月 %d：日 %H：小时 %i：分钟 %s：秒（2）将字符串转成日期
partition_key字段信息为：160101
mysql> select date_format(partition_key,'%y-%m-%d') from t_order ;
+---------------------------------------+
| date_format(partition_key,'%y-%m-%d') |
+---------------------------------------+
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
| 16-01-01 |
+---------------------------------------+
14 rows in set (1.67 sec)
新闻标题：mysql日期转换字符串
链接分享：http://pwwzsj.com/article/gipded.html
