【发布时间】:2023-02-01 04:26:44
【问题描述】:
我有下表。我只想对小时值介于 09:00:00 和 21:00:00 之间的行进行 SELECT。
+---------------------+-----------+
| timestamp_full | value_a |
+---------------------+-----------+
| 2023-01-25 08:00:00 | 22 |
| 2023-01-25 08:30:00 | 93 |
| 2023-01-25 09:00:00 | 13 |
| 2023-01-25 09:30:00 | 52 |
| 2023-01-25 10:00:00 | 84 |
| ... |... |
| 2023-01-25 20:00:00 | 31 |
| 2023-01-25 20:30:00 | 16 |
| 2023-01-25 21:00:00 | 57 |
| 2023-01-25 21:20:00 | 44 |
+---------------------+-----------+
【问题讨论】:
标签: mysql sql datetime timestamp