HUGE CLOB 데이터타입은 일반 쿼리로 불러올 경우 HUGE CLOB 의 내용이 보이지 않는다.
때문에 아래와 같이
SELECT DBMS_LOB.SUBSTR( 컬럼, 500) FROM TABLE
사용하여 SELECT 한다.
SELECT DBMS_LOB.SUBSTR(칼럼명, DBMS_LOB.GETLENGTH(칼럼명), 1) –> 전체 row 뿌리기
, DBMS_LOB.INSTR(칼럼명, ‘test’, 1, 1) –> 검색된 내용에 대한 디스플레이
FROM 테이블명
WHERE DBMS_LOB.INSTR(칼럼명, ‘test’, 1, 1) <> 0;
사용법
DBMS_LOB.SUBSTR(CLOB칼럼, 전체 row 가져오는 길이, offset)
DBMS_LOB.INSTR(CLOB칼럼, 검색된 단어, offset, 몇 번째에 있는 검색된 단어)
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