1.datetime类型字段格式化
- SELECT DATE_FORMAT(date,'%Y-%m-%d %h:%m:%s') date FROM message;
结果：
+---------------------+
| date |
+---------------------+
| 2015-12-05 02:12:35 |
| 2015-12-05 02:12:55 |
| 2015-12-05 02:12:00 |
| 2015-12-05 02:12:20 |
| 2015-12-05 03:12:16 |
+---------------------+
('meaage' 表名，'date'一个datetim数据类型的字段)
- 同上替换 DATE_FORMAT(date,'%Y-%m-%d')
结果：
+------------+
| date |
+------------+
| 2015-12-05 |
| 2015-12-05 |
| 2015-12-05 |
| 2015-12-05 |
| 2015-12-05 |
+------------+