MySQL 如何获取当前月份的第一天
通过以下MySQL查询,我们可以获取当前月份的第一天:
mysql> SELECT DATE_SUB(LAST_DAY(NOW()),INTERVAL DAY(LAST_DAY(NOW()))-
1 DAY) AS 'FIRST DAY OF CURRENT MONTH';
+----------------------------+
| FIRST DAY OF CURRENT MONTH |
+----------------------------+
| 2017-10-01 |
+----------------------------+
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