다음과 같이 INTERVAL 키워드의 단위 값과 함께 산술 연산자(+,-,*, /)를 사용할 수 있습니다. -
덧셈(+) 사용
mysql> Select date('2017-10-22' + INTERVAL 2+2 Year) AS 'Date After (2+2)Years';
+------------------------+
| Date After (2+2) Years |
+------------------------+
| 2021-10-22 |
+------------------------+
1 row in set (0.00 sec) 빼기(-) 사용
mysql> Select date('2017-10-22' + INTERVAL 2-2 Year) AS 'Date After (2-2)Years';
+------------------------+
| Date After (2-2) Years |
+------------------------+
| 2017-10-22 |
+------------------------+
1 row in set (0.00 sec) 곱하기(*) 사용
mysql> Select date('2017-10-22' + INTERVAL 2*2 Year) AS 'Date After (2*2)Years';
+------------------------+
| Date After (2*2) Years |
+------------------------+
| 2021-10-22 |
+------------------------+
1 row in set (0.00 sec) 나누기(/) 사용
mysql> Select date('2017-10-22' + INTERVAL 2/2 Year) AS 'Date After (2/2) Years';
+------------------------+
| Date After (2/2) Years |
+------------------------+
| 2018-10-22 |
+------------------------+
1 row in set (0.00 sec)