■ EXTRACT 함수를 사용해 당해연도 날짜 수를 구하는 방법을 보여준다.
▶ 예제 코드 (SQL)
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1 2 3 |
SELECT EXTRACT(DOY FROM CURRENT_DATE); -- 당해연도 날짜 수 |
[DATABASE/POSTGRESQL] EXTRACT 함수 : 당해연도 날짜 수 구하기
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