새로운 시작

1. 변환 조건컬럼 LIKE '%@%'SUBSTR(컬럼명, 1, INSTR(컬럼명, '@') - 1)2. 대상 목록 테이블 만들기CREATE TABLE USER_ID_UPDATE_TARGET ( TABLE_NAME VARCHAR2(128), COLUMN_NAME VARCHAR2(128));INSERT INTO USER_ID_UPDATE_TARGET VALUES ('테이블A', 'USER_ID');INSERT INTO USER_ID_UPDATE_TARGET VALUES ('테이블A', 'CREATOR_ID');INSERT INTO USER_ID_UPDATE_TARGET VALUES ('테이블A', 'UPDATER_ID');INSERT INTO USER_ID_UPDATE_TARGET VALUES..