몇 가지 해결 방법은 다음과 같습니다.
"<" 기호를 사용하지 않도록 SQL 문을 변경합니다. 예를 들면 다음과 같습니다.
변경 전: tableA.ActDate >= tableB.startDate AND tableA.ActDate <= tableB.endDate
변경 후: tableA.ActDate BETWEEN tableB.startDate AND tableB.endDate
SQL 문에서 문자열 데이터 유형인 날짜 필드를 DATE 데이터 유형이 되도록 변경합니다. 예를 들면 다음과 같습니다.
TO_DATE(tableA.ActDate,'YYYY/MM/DD') as ActDate
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